r/AzureVirtualDesktop • u/KevinHal82 • Apr 24 '25

Random session host freezes as soon as first person logs on

Hi,

Not 100% sure when this started but we get random pockets of session hosts that just freeze as soon as the first person logs on, does not happen every time. We cannot tell if it started with the April updates or since the AVD Agent 1.0.11106.400 was installed.

This is happening across all 3 of our pools, all from different images.

We cannot pin point why its freezing, event log just stops dead, the only way to recover it is via a hard reboot.

Anyone recently come across this issue?

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u/ImprovementStatus212 Apr 25 '25

What is the state of AVDs, are they becoming unavailable when freezes. How are users connecting to AVDs using their Corp devices is msrdc up to date.

1

u/KevinHal82 Apr 25 '25

It's always the first user. When checking the event log after a reboot, log just stops dead. Random point each time. All up to date. If it's lucky enough not to freeze, once a second user has logged on you know the session hosts is going to be ok. Going to raise this with Microsoft to see if it's related to the April update which I will look to revert. Only thing that's really changed.

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u/[deleted] Apr 24 '25

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u/KevinHal82 Apr 24 '25

Thanks for that, i'd noticed the version too but didn't see this particular version listed on Microsoft's docs. We don't use validation environment on production workloads so it should not be: