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When troubleshooting PSMInitSession.exe errors in a CyberArk environment, you're likely hitting one of the most common roadblocks in a Privileged Session Manager (PSM) deployment. This executable is the heartbeat of a session; it's responsible for taking the connection information from the PVWA and launching the second connection to your target.

psminitsession.exe is a core component of the CyberArk Privileged Session Manager (PSM)

If this process is crashing or consuming high CPU, it usually indicates a corruption in the VPN client installation. Standard fixes include:

: Group Policy Objects that block the automatic execution of programs upon connection will prevent the tool from running. Policies under "Start a program on connection" should typically be set to "Not Configured". AppLocker Blocks : After hardening a PSM server, the

The file psminitsessionexe stands for . The "PSM" acronym is the key here.

: It works with PSM Shadow Users to launch third-party applications (like SSMS or Toad) in an isolated, monitored environment.

: Errors like "This initial program cannot be started" usually indicate that the PSMConnect user lacks permissions to the executable or the path in the user profile is incorrect [6, 16, 21].