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ControlUp for VDI (Real-Time DX) Training & Support Archives

ControlUp for VDI (Real-Time DX) training and support-related archives from inside the ControlUp Community on Slack.

Investigating Performance Issues in Citrix VDI with NVIDIA GRID GPU

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A user reported strange performance differences between identical Citrix VDI machines with NVIDIA GRID GPU configured, all started from the same master. Though NVIDIA licensing and configuration was OK, some machines did not show a GPU in use. Other users suggested checking the ControlUp Agent delayed start setting and switching between native Microsoft APIs and NVIDIA metrics (https://support.controlup.com/docs/gpu-monitoring-with-controlup?highlight=gpu). They also recommended looking at known issues. The customer planned to investigate the issue further the next day.

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Setting Up Persistent Desktops and Servers With ControlUp

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A user asked about syncing Active Directory computers with RealTime DX Console, and was advised to use GPOs or automated agent deployment to set up persistent desktops and servers. However, there are drawbacks to the latter which can be found in the ControlUp documentation. The Agent can now be upgraded from the console using a registry flag. The full discussion, including the relevant ControlUp URLs, can be seen at https://controlupcommunity.slack.com/archives/C0473N33S00/p1695332008532109.

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Performance Monitor Counters – An Overview

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@member shared insight into various Performance Monitor Counters, such as CPU Queue Length, Disk Queue Length, Open Handles, Context Switches, and Peak User Input Delay. These metrics measure capacity, thread waiting to be executed, open file handles, rate of context switches, and maximum delay experienced by user input, respectively. Information on these metrics can be found in Microsoft documents (https://systemcenter.wiki/) and a blog post by ControlUp (https://www.controlup.com/resources/blog/).

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Documentation on Encryption of Data Sent to AWS from Monitors

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The user asked for documentation regarding the encryption of data sent to AWS from monitors. It was suggested to check out https://support.controlup.com/docs/controlup-architecture-security-concepts. All data is encrypted with the Rijndael algorithm (AES) with a 128-bit encryption key. Depending on the mode either ControlUp Cloud servers or local storage will be used to store the key.

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Solving Internal Network Connectivity Issues from ControlUp

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A user reported an issue when trying to run a network connectivity check script from ControlUp - a password was being requested but the documentation was not indicating anything about this. However, the user realized they had a typo. It was then suggested to do a "test-netconnection mon1 -port 40706" which revealed the problem was internal and related to cluster communication. Support was contacted to get to the bottom of the issue. The Academy can be found at https://support.controlup.com/v1/docs/how-to-check-network-connectivity-to-controlup-cloud-services.

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Troubleshooting ControlUp Trigger Alerts for Computer Downs

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A user asked about creating a trigger for when a machine goes down, and was having trouble getting the alert emails. Suggestions included verifying the machine was up when creating the trigger, killing the agent process, using a script to run checks for down machines, and rebooting the monitor server. It was also suggested to check the incident tab for the event trigger, use a custom trigger with an action to send an email, check the in-ram DB, and get the logs to support for review.

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