An attempt to Remote Desktop Protocol (RDP) to a server fails with the following error:

unable to locate mstsc.exe client on $PATH: exec: "mstsc.exe": executable file not found in %PATH%

• Advanced Server Access (ASA)
• Okta Privileged Access (OPA)

The Remote Desktop Client executable file mstsc.exe is missing or not working.

1. Open a Command Prompt on the Windows client and verify that the mstsc.exe file exists in one of the %PATH% directories (typically C:\Windows\System32\).

   where mstsc
   echo %PATH%

2. Try to launch the Remote Desktop client by running mstsc from the Command Prompt.

   mstsc

NOTE: If the executable is missing or not working properly, it can be installed or reinstalled following these steps from Microsoft: Uninstall and reinstall Remote Desktop Connection.