Members of the Local Administrators group will always be granted access.
If the Registry Key does not exist, or gets deleted, VDA will always allow the Unbrokered RDP Connection.
Get in the habit of periodically upgrading your LTSR VDAs to the latest Cumulative Update.
He found some Windows Updates that caused a logon delay.
Citrix Discussions Xenapp 7.9: Wait for local session manager: “I have a Xenapp 7.9 environment on Windows 2012 R2.
When logging in through Citrix I got message “Wait for local session manager” for 20-30 seconds.
Each value is detailed in the accompanying Word document.
Customer Experience Improvement Program (CEIP) is enabled by default. Also see CEIP at Citrix Insight Services at Citrix Docs. The Connection Quality Indicator tells the user the quality of the connection.