Symptoms

• Terminal Server Agent shows as "Not Verified".
• Able to push the Ternimal Server Agent from the console, however in the Console it is still couldn't be verified.
• On Terminal Server machine "RAS Terminal Server Agent" is not listed in services.msc

• An attempt to install it via MSI installer fails with:

  

Cause

Windows has failed to register RAS Terminal Server Agent service.

Resolution

1. Open CMD and navigate to Parallels Remote Application Server directory (by default):

   C:\Program Files (x86)\Parallels\ApplicationServer
   

2. Execute the command:

   2XAgent.exe -u
   

   This will uninstall Terminal Server Agent from the machine.

3. Open regedit, and remove the following keys:

   HKEY_LOCAL_MACHINE\SOFTWARE\2X
   
   HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Parallels\TSAgent
   

4. Open CMD and navigate to Parallels Remote Application Server directory (by default):

   C:\Program Files (x86)\Parallels\ApplicationServer
   

5. Execute the command:

   2XAgent.exe -i
   

   

6. Check the Terminal Server Agent in the Console. Now it should be verified.