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The original was posted on /r/azure by /u/Smack2k on 2023-09-26 15:31:42.

To any and all running Azure Virtual Desktop Host Pools with multiple GPU VMs running and with or without FSLogix, do you experience these issues regularly? These are all things I have dealt with for a few years now on multiple pools created throughout my organization

1. 20-25 second (at least) Black screen during login to the VM. After you see the Windows welcome, loading, etc and before the desktop loads, we always see 20-25 seconds of black screen when the VMs are running normally with no issues.
2. VMs only able to support 1/2 the number they claim. For example, we run some NV24s V3 pools and can only get 12 users per VM as anymore will peg the CPU of the VMs and make them very laggy and cause hangs
3. General slowness in applications requiring GPU and CPU power to process or render objects / projects. Number of users on the VM doesnt seem to matter either, its generally slow compared to physical machines. I would expect it to be somewhat slower, but at times it becomes unusable to our users trying to work on projects.

I will say our GPU VM Pools are 1 TB VMs running 170+ applications on them, which could be part of the issues, but the black screen and supporting only 1/2 total number of users issues are constant.

Anyone else agree / experience this?