@sdkeslar Do you see the remote workstation contents or is it just a black screen? Same behavior from all the browsers? Are you mostly using IE to connect HTML5 sessions?
I can find these articles related to HTML5 issues:
https://kb.pulsesecure.net/articles/Pulse_Secure_Article/KB43888/?kA1f1000000kAoJ
https://kb.pulsesecure.net/articles/Pulse_Secure_Article/KB40246/?kA1j0000000fyT3
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