Symptoms

• Since updating Parallels Remote Application Server to version 15, Terminal Server Agent becomes not verified ( "Agent not found" status in the Console)

• Restarting of "RAS Terminal Server Agent" service helps temporarily, but this issue reoccurs constantly.

Cause

Outdated registry entries and files wasn't removed.

Resolution

1. On the affected Terminal Server uninstall RAS Terminal Server Agent component
   
   
   
   

2. Start regedit and delete following entries
   

   HKEY_LOCAL_MACHINE\SOFTWARE\2X
   
   HKEY_CURRENT_USER\Software\2X
   

3. In Program Files x86 delete 2X folder
   
   
4. Install RAS Terminal Server Agent