Error: Timeout waiting for stack connection

Occasional Visitor

 

Getting this error 2-3 times a week across the board. When the error happens. The sessions on the host become inactive or very slow. Our current resolution is to log out all sessions and put host in drain mode. Looking for some insight on what might be causing it with our session hosts. They are on 21H2, we are using FSLogix, and Watchguard Virtual Appliance

 

Alert Configuration:
WVD Timeout waiting for stack connection

Windows Event
Time of Event: 8/15/2022 4:19:55 PM
Event Log: RemoteDesktopServices
Event Source: Microsoft.RDInfra.RDAgent.AgentToStackCommunication.StackCommunicationManager
Event ID: 0
Level: Error
Details: Timeout waiting for stack connection ConnectionID:d653eb3d-b651-4b74-9b8e-82131a258b93 linkedCts=True exception:System.Threading.Tasks.TaskCanceledException: A task was canceled.

 

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