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Download citrix hdx monitor. The Citrix Logon Duration Guide is a technical how-to guide to troubleshooting & resolving In a large XenApp. HDX Insight is part of the NetScaler Insight Center and provides end-to-end visibility into the Citrix ICA™ traffic that passes through the NetScaler™ or. How do I disable Citrix Policy hardware acceleration for graphics? You can use HDX monitor to connect to the Delivery Agent Remotely. COMODO QTTASK EXE

Video is mainly the biggest consumer of bandwidth so needs to be delivered efficiently which is why H. Provides a high definition user experience. Heavy encoding means CPU is needed to compress the data to be sent over the wire. The encoding and decoding procedure results in extra CPU processing on VDA and end-user device so keep this in mind as it will affect server scalability.

Will work so long as DCR and Framehawk are not enabled. Receiver 3. If it was me, I would either change this setting to Use video codec when available if you want H. Also Framehawk needs to be disabled so that it does not take precedence over H. Now in 7. When configuring the Use video codec for compression policy setting now in 7.

For the entire screen — Use compression for the entire screen. For situations where heavy use of server-rendered video and 3D graphics are in use. Do not use video codec — Simply disable video codec compression. This will degrade sessions that use multimedia content heavily.

In an environement that does not often use multimedia you can select this option to disable the use of video codec compression. Doing so will increase server density. For actively changing regions — Forces the dynamic use of compression for actively changing content on the screen and not for static or slowly changing content such as text or static images. This is a best of both worlds scenario as it helps maintain server scalability whilst compressing changing content to save on bandwidth and provide a good experience to users who need it.

Receiver 4. XenDesktop 7. This is enabled by default. Full-screen H. The policy to control H. If maximum user density is desired, Citrix recommend you disable Show window contents while dragging. DeferredUpdateMode was introduced in Receiver for Windows 3.

If disabled, H. Some customers using PS4 may have disabled this mode via the registry to fix a refresh issue. Keep this in mind if you can relate to this issue. Fallback for endpoints that are not compatible with the H. This method will be used if H. This mode has lighter server requirements in terms of CPU and RAM whilst still giving the user a decent graphical experience.

For bandwidth constrained environments you may be interested in using Framehawk or H. Also will suit in situations where Receiver cannot be upgraded for any reason on specific endpoints. Also make sure Framehawk is not enabled. For example, you cannot predict that a user will always be using the same high speed WAN connection each day, especially if they roam between different areas.

Previously, you may have set graphics policies to reduce bandwidth consumption, or to provide users with high end graphical sessions, but it was hard to be flexible. In progressive update mode, all images are heavily compressed and text quality is reduced. Video is still managed with Adaptive Display or selective H. Preferred color depth for simple graphics is set to 8 bits per pixel. Use video codec for compression is set to For the entire screen.

A minimum of 10 seconds is spend in progressive update mode, even if the network conditions that trigger it are momentary. Provides a good user experience over these poor connections. Default UDP ports mentioned above can be changed by Citrix policy. Firewall ports should be opened from client Receiver to VDA, opening any ports on firewalls that the connection traverses.

Do not enable for example DCR with Framehawk as it will not work. Framehawk will take precedence over other graphics modes if for example DCR is also enabled. This precedence however relies on the VDA being version 7. Still unsure what to use? Allows you to offer a good experience to users whilst maximizing the number of users you can host on a single server. Turns off video codec compression to achieve server density. Offers a good mix up between server scalability and user experience.

The experience with server rendered video playback will be reduced however the majority of applications will not be affected. Setting such as Windows Wallpaper and Menu animations disabled. Default printer mapping only configured. This is where CPU and bandwidth savings will be gained most. Show window contents while dragging policy should continue to be allowed. Audio quality is set to medium which is expected to consume 60Kbps. Windows Media fallback prevention is configured to play all content only on the client device.

This makes sure that the VDA resources will not be used. Only small flash video content will be played on the VDA in a fallback scenario. Provides results similar to XenApp 6. If you have a use case for DCR enabling this may also improve user density per server.

Limits printing, audio, and other settings that tend to consume bandwidth when enabled. DCR and H. May reduce the user experience for users running highly graphical applications such as CAD. Default printer mapping only and Citrix Universal Print driver is enabled for all printers. Reason being the frame rate in this policy template has been limited to 16FPS plus H.

Do not use this policy if users continually view multimedia. If you notice poor user experience when using this template then users may be viewing multimedia regularly. You can enable H. Settings such as Desktop Wallpaper and menu animations are disabled in this template.

Audio quality is set to low which is expected to consume 44Kbps. Windows Media and Flash multimedia redirection are enabled by default in this policy template. This reduces bandwidth and improves the user experience. Provides similar experience to XenApp 6. Should be applied to all sessions on a server. Exceptions to policies such as printer policies can be applied at a priority user level.

Using this policy reduces user density per server and increases bandwidth consumption. Enforces most policies that are enabled by default apart from High visual quality and Best quality printing which are configured to be higher than what is set by default. Receiver for Windows 4. Uses frame rate of 30FPS.

Audio quality is set to high also a default setting which is expected to consume Kbps. How do I get the new templates? Download and install Group Policy Management 7. Results: The below tests are ones I performed and provide a rough indication of the different resources utilised when using various codecs and policy templates. Different policy templates and modes — Bandwidth consumption General opening of applications, typing, saving, and navigating through menus etc. Framhawk over the WAN.

What HDX graphics mode am I actually using? The script has been updated to include FrameHawk and VDA version number to differentiate between compatibility modes uses pre and port 7. Type asnp citrix. CSV format. This is normally blocked by Windows Firewall. Locate and open the captured CSV file to display the results.

Using the Remote Display Analyser application. The sponsored version has the ability to switch codecs live without any log off. Extract and run RemoteDisplayAnalyzer. No install is required which is a bonus. Double-click the. MSI or. The next few steps follow installing the online. EXE installer. Click Install. Install HDX Monitor on a machine such as a management tools machine. Once the application launches you will be asked to specify a VDA name to query.

Enter a computer name that is reachable from the machine you have installed HDX Monitor on. Some Operating Systems such as Windows 7 run this service automatically and WinRM is automatically configured on servers such as R2. Enter a computer name and click Open. Tags: citrix , dcr , framehawk , graphics , h. Trentent Tye July 23, Awesome, informative article! Jasper July 23, Impressive and very useful article. George Spiers September 6, Is that also your experience?

George Spiers September 29, Rasmus Raun-Nielsen October 10, Great article, I enjoyed reading it — very thorough! George Spiers October 10, Chris Calaf October 31, Great post! George Spiers November 3, Smithf December 6, Agouram July 29, George Spiers July 29, Viktor September 11, Is this a display bug? George Spiers September 11, Matheen November 13, George Spiers November 13, Matheen November 14, George Spiers November 14, Matheen November 15, George Spiers November 15, ArnaudLabiche June 7, George Spiers June 7, Ray July 1, George Spiers July 1, Thanks, I used a mixture of WireShark, perfmon, Director etc.

Rikesh September 13, Hi Amazing article for 7. George Spiers September 14, Rikesh September 14, Manoj February 9, Best, Manoj. George Spiers February 11, Manoj February 12, George Spiers February 12, Manoj February 13, George Spiers February 13, Remote Display Analyzer is first and foremost a tool for the community and therefor free to download! VDAs establish and manage the connection between the machine and the user device, verify that a Citrix license is available for the user or session, and apply whatever policies have been configured for the session.

VDAs for Windows desktop operating systems allow only one user to connect to the desktop at a time. Its instrumentation and telemetry capabilities enable technical users customers, partners, and engineers to self-diagnose and fix problems and optimize their environments. Consequently, this tool can also help you diagnose and troubleshoot HDX issues.

Citrix makes no commitment to provide support for this tool. Which is the latest version of HDX monitor?

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In the process, HDX Insight delivers business intelligence and failure analysis capabilities for the network, virtual desktops, applications and application fabric.

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Ikea workbenches The experience with server rendered video playback will be reduced however the majority of applications will not citrix hdx monitor affected. For bandwidth constrained environments you may be interested in using Framehawk or H. Hi George, Nice article. A minimum of 10 seconds is spend in progressive update mode, even if the network conditions that trigger it are momentary. George Spiers September 14,
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Display resolution is limited to pixels in any dimension on 7. Note: While there are no controls in place to limit resolutions above 4K in Windows 10 VDAs, Citrix development testing is limited to 4K monitors currently. Citrix Receiver for Windows 4. Performance and scalability considerations In the context of display remoting the size of a user session can vary significantly based on display resolution and the number of monitors alone.

Some deployment considerations are listed below: Both display resolution and the number of monitors increase the session size. A user connecting from and endpoint with a single 4K monitor would result in the same session size as a user connecting with four p monitors. Single server scalability can be reduced significantly by simply upgrading user endpoints with 4K monitors. If 4K monitor support is required additional server resources should be allocated accordingly to maintain desired user density levels.

Bandwidth requirements will also increase with higher resolutions and the number of monitors in use. Bandwidth constraints could limit frame rates and reduce image quality affecting session interactivity and user experience as a result. The endpoint device must have adequate hardware resources available to support the desired display configuration.

Performance limitations of Thin Clients may become apparent at high resolutions such as 4K, for example. Was this page helpful? Thank you! Sorry to hear that. Name Name is required. Email Email address is required. Close Submit. Featured Products. Need more help? Product issues. Open or view cases Chat live. Other support options.

The diagram below outlines a common multi-level support structure. If a user encounters an issue, Level-1 support help desk is the entry point to the support system. At this level, issues are quickly resolved and some may be automated self-service , for example password resets and resource provisioning.

This support level is generally comprised of administrators supporting the production Citrix environment. Level-2 and Level-3 support may often both be members of the Citrix Support Team, with Level-3 comprising the senior staff maintaining the Citrix environment.

Level-3 issues are complicated and often mission critical requiring expert knowledge of the virtual desktop and application environment. The final level, Level-4 Architects , is focused on the strategic improvements for the solution, testing new technologies, planning migrations, and other high level changes. Generally, Level-4 is not involved in active support of a production environment. Should support discover an issue that is related to an application or underlying infrastructure, the ticket is handed to the appropriate team for troubleshooting.

If a program bug is discovered, the issue is then re-escalated and a ticket is established with the appropriate vendor. Provide first-line support of reported issues. Initially, servicing support messages and phone calls. This level needs to perform initial issue analysis, problem definition, ticket routing, and simple issue resolution.

Often processes requests for application access or support with configuring plugins. Primarily supporting day-to-day operations of the Citrix environment; may include proactive monitoring and management. In addition, this role should also perform intermediate level troubleshooting and utilize available monitoring or troubleshooting tools. Assist with resolving issues escalated by Level-1 support. Central point for implementing, administering and maintaining Citrix desktop and application virtualization infrastructure.

This role focuses on deploying new use cases and leading lifecycle management initiatives. Generally, one Implementer could focus on one use-case at a time. For example, three new concurrent use cases would require three Implementers. Escalates issues to software vendor specific technical support and notifies Level-4 about this issue. The Level-4 team has minimal exposure to administrative tasks but focuses on scoping, planning and executing Citrix-specific service and project requests.

An architect translates business requirements into a technical design. Vendor assistance may be necessary should defects in a program be discovered. At this stage, Level-3 engineers need to establish a support ticket with the appropriate vendor to assist with finding a solution.

A self-service portal should be utilized for noncritical tasks, such as application access, permissions, password resets, etc. The portal can range from a simple FAQ page to a fully automated process requiring no human interaction. The purpose of the self-service portal is to add an additional touch point for end users to address basic issues, preventing the creation of new support tickets.

The following table details the recommended training, certifications and experience for each support level. This table should only be used as a baseline. Support staffing decisions should be evaluated against the defined requirements, projected workloads, and operational procedures of an organization. Multiple levels can be combined, for example there may be insufficient design projects to have a dedicated architect role or a more senior member of the Citrix team can act as an Operator and Implementer.

General Support Tools: The following table details tools that should be made available to all support levels. The following table provides recommendations on the Citrix support tools that should be made available to each support level. Citrix Director provides an overview of hosted desktops and application sessions. It enables support teams to monitor and troubleshoot issues. Citrix Studio enables administrators to perform configuration as well as maintenance tasks for a XenApp and XenDesktop site and associated virtual desktops or hosted applications.

Run from a single Citrix Delivery Controller to capture key data points and CDF traces for selected computers followed by a secure and reliable upload of the data package to Citrix Technical Support for escalation. The Provisioning Services Console enables administrators to perform configuration and maintenance tasks for a Provisioning Services farm. XenCenter enables administrators to perform configuration and maintenance tasks for a XenServer Resource Pool.

Administrators can utilize Citrix Insight Services to simplify the support and troubleshooting of the Citrix environment. Citrix Insight Services is run locally to collect environment information. Online analysis capabilities analyze that information and provide administrators recommendations based on their Citrix environment and configuration.

A full list of the available tools provided by Citrix Support to assist with troubleshooting can be referenced in Citrix Supportability Pack. The following call script can be used as an initial baseline for a Citrix Help Desk team. Citrix Consulting recommends reviewing this sample call guide and adding any environment specific details that may need to be collected. Each support level must be provided with sufficient rights to effectively perform their role. The following tables provide guidance on the recommended privileges per support level.

Users with local administrator rights have access to view and manage all objects within StoreFront or Web Interface. These users can create new sites and modify existing ones. By default, the account used during the installation of the license server becomes the administrator for the console. Often the accounts used for the installation are not the intended accounts for the regular administration tasks.

All users created through this process are full administrators of the Citrix License Server. This section defines routine operations for the Citrix environment that help to improve stability and performance. The Citrix Support Team should perform regular operations and maintenance tasks to ensure a stable, scalable Citrix environment. Each operation is categorized by the associated component of the solution as well as the frequency of the operation ongoing, daily, weekly and yearly.

Tasks have been aligned to the roles described within Decision: Support Responsibilities and Skill Set. If the administrators performing operations are the same the support team, then the designations are linked as follows:. The following table outlines the tasks that should be performed by the Citrix Support Team on a daily basis. The following table outlines the tasks that should be performed by the Citrix Support Team on a weekly basis.

The following table outlines the tasks that should be performed by the Citrix Support Team on a monthly basis. The following table outlines the tasks that should be performed by the Citrix Support Team on a yearly basis. The location of backups directly effects the recovery time and reliability of the Citrix environment.

It is recommended to store backups of critical data both onsite and at an offsite location. If offsite backups are not possible due to costs associated or sensitivity of the data, backups should be placed at separate physical locations within the same datacenter. Regular updates and maintenance are an everyday part of IT operations. Standard processes must be followed to ensure updates do not negatively impact the production environment.

This includes maintaining a dedicated testing infrastructure where modifications can be validated prior to being implemented in production. Since changes to Citrix infrastructure can impact thousands of virtual desktop and application users, multi-phase testing is critical for the reliability and performance of the environment. As such, the process for testing should resemble the following:. The following change control leading practices should be considered. The change control process should be closely followed starting with a change request.

A change request form should be filled out detailing changes requested, reasons for the change, and intended timeframes for the action. This is then reviewed and edited if required by a Change Manager and advisory board. When the change request has gone through the entire change approval process it is given to a change implementer who stages the change for testing, and finally conducts the implementation in production.

A sample change control process, including detailed steps, is provided in the diagram below:. After appropriate manager approvals have been acquired, the CR is forwarded to the appropriate Change Manager s. Incomplete change requests are returned to the requestor for update and re-submission.

If the change is rejected, the Change Control Log is updated with the current status as well as the reason of the rejection and the CR is send back to the requestor. The CAB reviews and validates the change in detail, and discusses and evaluates purpose, reasons, impact, cost and benefits. Each board member represents their department and provides guidance on the change requests.

Upon approval the change is sent back to the Change Manager to schedule the change for implementation into the staging environment. The change is implemented and tests are conducted. The results are sent back to the Change Manager.

If the staging implementation and testing are successful, the change is scheduled for production implementation. In case the staging phase was not successful another staging iteration will be conducted. If possible, the change is rolled out in stages to the production environment. This process is known as a staged rollout and mitigates risk by allowing changes to be rolled back, if necessary, without impacting the entire environment.

A rollback plan should be in place if there is an issue implementing a change in the production environment. On a periodic basis, the Change Manager reviews the Change Control Log to identify trends on type, frequency and size of changes and forwards the results to the CAB for review. In an emergency, the processes may be expedited. Should an issue be declared an emergency, a change request form is still filled out and delivered to the appropriate change management representative.

When approved, the requested change is immediately implemented and the advisory board notified. Availability testing is focused on ensuring resources are still available in the instance of a component failure. These tests are essential to ensuring users always have access to business critical resources.

The testing should be conducted during nonbusiness hours or during a scheduled maintenance weekend when appropriate notice has been given to end users to make them aware if any unforeseen issues arise. By having an in-depth understanding of current and expected behavior of the Citrix environment and its components, administrators are better equipped to discover an issue before it affects the user community. Furthermore, the data tracked during normal operations is beneficial for trending and capacity planning.

This section defines the monitoring recommendations for a Citrix environment as well as some recommended tools. Depending on the size and scope of the XenApp and XenDesktop solution, it can take considerable time for an administrator to verify services, events, capacity and performance. It is advisable for administrators to investigate automation into their monitoring strategy.

Citrix includes a cloud-hosted monitoring solution called Smart Check , which is a free service for any organization with active Citrix Customer Success Services: Select offering. A list of the current Smart Check capabilities, review the Smart Check documentation.

Monitoring the performance of the overall environment is crucial towards making sure all components are available and performing effectively to ensure users have a high quality experience. Different components within the overall solution require monitoring of unique metrics with appropriately set thresholds. The metrics and thresholds presented are based on real world experience but may not apply to all environments.

Organizations will need to perform their own baselining, validity testing and validation before implementing within a production environment. These performance counters should be used in addition to the general counters listed below. These performance counters should be used to monitor the key performance metrics of the Citrix infrastructure, application servers, and virtual desktops.

Windows services that are critical to basic server functionality should be automatically monitored to ensure that they are running properly. The following table provides a list of the common Windows services that should be monitored. When any of these services are restarted or stopped a warning Yellow or critical Red alert should be assigned respectively.

The recommended recovery actions for the services listed below are as follows:. The Infrastructure pane within the Citrix Director dashboard provides status of the services running on the Delivery Controllers and will provide warning indications if a service or Controller is unavailable. These alerts can be accessed by clicking the Alert hyperlink within the Infrastructure pane. Monitoring the Windows Event Log for unknown or critical events can help to proactively discover issues and allow administrators to understand event patterns:.

It is important to periodically check the Event Viewer for Citrix related warnings or errors. Warnings or errors that repeatedly appear in the logs should be investigated immediately, because it may indicate a problem that could severely impact the Citrix environment if not properly resolved.

In multi-server environments it becomes easier to administer the servers when logs can be collected and reviewed from a central location. Most enterprise grade monitoring solutions provide this functionality. More sophisticated monitoring solutions enable an administrator to correlate event information with other data points such as performance metrics or availability statistics.

This feature allows administrators to receive events from multiple servers and view them from a designated collector computer. XenServer is also capable of sending its logs to a central syslog server. The administrator sets the IP address of the syslog daemon server in the properties of each XenServer in the pool. This configuration allows administrators to capture real-time activity across multiple XenServer hosts.

Further information can be found within the XenServer Admin Guide. In addition to the day-to-day monitoring of system-level metrics, performance metrics should be tracked from a historical perspective to help plan for future growth as more users access the environment.

A baseline of the environment performance should be taken so that it can be compared against performance over time. For example, if a user complains of poor performance, this baseline can be used for comparison purposes to identify if the issues are related to the user load exceeding the capacity of the environment. An example of baseline performance metrics for capacity management would include historical data for CPU, Memory, and network utilization on the Delivery Controller and application servers or desktops.

These parameters can be leveraged for capacity planning of the Citrix environment. From the Trends view, administrators can see historical data that is broken up into several categories including:. The creation of the handbook is a time consuming process and requires real deployment experience across many scenarios.

Citrix would like to thank the authors and subject matter experts who contributed to the Citrix VDI Handbook. The development, release and timing of any features or functionality described in the Preview documentation remains at our sole discretion and are subject to change without notice or consultation. The documentation is for informational purposes only and is not a commitment, promise or legal obligation to deliver any material, code or functionality and should not be relied upon in making Citrix product purchase decisions.

XenApp and XenDesktop. View PDF. This content has been machine translated dynamically. Give feedback here. Thank you for the feedback. Translation failed! Monitor February 15, Contributed by: C. The official version of this content is in English. Some of the Citrix documentation content is machine translated for your convenience only. Citrix has no control over machine-translated content, which may contain errors, inaccuracies or unsuitable language.

No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, suitability, or correctness of any translations made from the English original into any other language, or that your Citrix product or service conforms to any machine translated content, and any warranty provided under the applicable end user license agreement or terms of service, or any other agreement with Citrix, that the product or service conforms with any documentation shall not apply to the extent that such documentation has been machine translated.

Citrix will not be held responsible for any damage or issues that may arise from using machine-translated content. February 15, Contributed by: C. Send us your feedback about this article. Citrix Preview Documentation. This Preview product documentation is Citrix Confidential. If you do not agree, select Do Not Agree to exit. Level-1 support personnel should be provided with basic training on Citrix XenApp, Citrix XenDesktop and supporting technologies.

This can include internal training from subject matter experts or from a Citrix Authorized Learning Center. The training provided should focus on the following topics: High level overview of the XenApp and XenDesktop implementation. Using Citrix Director to manage user sessions. Troubleshooting methodology. In addition, regular training should be provided to the Tier-1 team members on the latest troubleshooting recommendations from the Level-2 and Level-3 teams as well as details on any relevant changes to the environment.

This will help to ensure a good baseline knowledge level across the team and consistent customer service. Level-2 personnel should conduct regular team training sessions to refine administrative skills and ensure a baseline knowledge level across the team. Formalized trainings are also essential when there are architectural updates to the environment and the Level-2 team is working with unfamiliar technologies.

Advanced training on Windows concepts will also be essential for Level-2 team members who do not have desktop or server support experience. Finally, on-the-job training along with close integration with Level-3 administrators is essential as the Level-2 roles are formalized and responsibilities are handed over from Level-3 to Level Citrix Certified Associate - Virtualization.

Level-3 support team members hold a minimum of three years of enterprise experience implementing and supporting XenApp, XenDesktop, Provisioning Services and Windows operating systems. Level-3 staff should also complete the Citrix Certified Professional CCP certification track as this will prepare them to proactively manage the user community and implement Citrix solutions according to Citrix leading practices. Citrix Certified Expert - Virtualization. Experience is essential for Level-4 staff.

The ideal candidate will have served in such a capacity at two or more environments for purposes of product exposure and in at least one environment of over 1, concurrent users. A Citrix Certified Expert CCE certification or comparable training and experience should be a prerequisite of the role.

Used to document customer information and issues. A typical ticket management system provides the following functionality: Monitoring the queue of tickets. Setting a limit on the number of open tickets. Establishing thresholds such as how long a certain type of ticket should take to be answered.

Identifying a group of users or individuals who require higher priority assistance. Informing the user when their ticket is open, updated, or closed. Provide an internal knowledge base for the support professionals to search for known resolved issues. The first contact help desk personnel should have documented scripts to ensure that all relevant data is captured while the user is on the phone. This practice also assists in proper triage and allows the next support level to perform research prior to customer contact.

A sample call script is provided for reference. Remote assistance tools are useful when troubleshooting user issues. Documentation should be created and maintained in a knowledge base or library of known issues. Articles should be searchable for quick recovery. Knowledge bases help support staff to quickly resolve known issues and reduce the need to perform time consuming research.

Check for warnings or alerts within Citrix Director, event logs, or other monitoring software. Investigate the root cause of the alert if any. Note : A computer and monitor can be set up to display the Citrix Director dashboard to create a Heads Up Display for the Citrix department.

This ensures the status of the environment is clearly visible. Monitoring recommendations for XenDesktop and XenApp 7. Verify all scheduled backups have been completed successfully. Simulate a connection both internally and externally to ensure desktop and application resources are available before most users log on for the day. This should be tested throughout the day and may even be automated. Verify that the appropriate number of idle desktops and application servers are powered on and registered with the Delivery Controllers to ensure availability for user workloads.

Check the number of target devices connected to the Citrix Provisioning Servers and balance the load across servers, if required. Note : Any required hotfixes should be tested using the recommended testing process prior to implementation in production.

Create report on overall environment performance server health, resource usage, user experience and number of Citrix issues close rate, open issues, and so on. Create knowledge base articles and issue resolution scripts to address Level-1 and Level-2 support requests.

Review knowledge base articles and issue resolution scripts for accuracy, compliance, and feasibility. Confirm that Citrix site-wide changes implemented during the previous week were approved through change control. Review storage utilization, used and free storage space, for vDisk store and each vDisk. Note : Lack of space within the vDisk repository will be an issue only when the vDisks are updated using versioning or when a vDisk is placed in private mode during an update procedure.

Storage utilization within vDisk should also be investigated. If the vDisk itself is limited for storage, then it needs to be extended. Citrix does not support resizing of a VHD file. Perform a full backup of the vDisk before implementing any updates. Update the master vDisk image files and apply the following: Windows software updates and patches; Operating system and application changes; Anti-virus pattern and definitions updates. Note : Updates should be tested using the recommended testing process prior to implementation in production.

Review the Citrix Provisioning Services auditing Logs. Note : Provisioning Server auditing is off by default and can be enabled to record configuration actions on components within the Provisioning Services farm. To enable auditing refer to the Citrix production documentation article, Enabling Auditing Information.

Perform capacity assessment of the Citrix environment to determine environment utilization and any scalability requirements. Note : Recommendations for performing a capacity assessment are included in Decision: Capacity Management in the Monitoring section below. Review Citrix policies and determine whether new policies are required and existing policies need to be updated. This plan should include a yearly restore test to validate the actual restore process from backup data is functioning correctly.

Review the usage of applications outside and within the Citrix environment. Assess the validity of adding additional applications to the Citrix site, removing applications that are no longer required, or upgrading the applications to the latest version. Validate PVS continues to function. Restart PVS Server. Validate connections rebalance between PVS Servers. Try the other rest PVS server s one by one. There is limited to no impact to the users utilizing that server.

Initiate failover of PVS database. Initiate failback of PVS database. Validate PVS continues to function, but that administration is not possible. Wait for the SQL Server to come back online. Validate PVS administrative functions are once again possible. PVS continues to function. PVS administrative functions are no longer available. Validate virtual desktops or applications can still be enumerated and launched.

Shutdown one of the Desktop Controllers. With a desktop launched, determine which Controller owns the host connection. Shut the Controller down and verify that another Controller takes over the session. Note : This should be done during the maintenance window. StoreFront correctly identifies service as being unavailable and redirects connections to remaining Delivery Controller. Desktops continue to be enumerated and launch successfully. Launched desktop can be supported if a hosting Controller goes down.

The database should failover and the Citrix Studio should pick up the failover database with no issues. Existing sessions are not impacted. New sessions are possible. Administrative functions are possible. Wait for the SQL Service to come back online. Validate administrative functions are once again possible. Existing XenDesktop sessions are not impacted. Recently used applications, hosted shared desktops and assigned VDI can be accessed due to local host cache.

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