You may have experienced the virtual desktop’s screen no longer updating until a user has moused over the desktop. Perhaps the screen view prior to the lock screen displays, or perhaps the time on the lock screen fails to update.
This issue arises from a power setting, and is pretty straight forward to fix.
This fix assumes that SetDisplayRequiredMode = 0 (See CTX205214), which is required to enable the lock screen. This issue does not appear to occur if this setting does not apply.
In Windows, go to System -> Power and battery. Select Screen and sleep. When plugged in, turn off my screen after: and select Never. This setting is also accessed via the Power Plans and editing the Plan Settings. Implementing via GPO can also be done and is preferred..
That’s it. When the screen turns off in Citrix, it is never updated until something occurs to turn the screen back on. Preventing the screen from turning off is all it takes.
And yes, that Citrix article does cover needing to set this to never. But sometimes we inherit things, and those things weren’t configured as they should.
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