Psminitsessionexe

If this process fails to launch or encounters environmental conflicts, the entire privileged connection breaks down, typically producing common error codes like or PSMSR156E . Technical Architecture and Role in CyberArk

: Usually means the process timed out before it could start. psminitsessionexe

If you do not use Puppet in your organization or on your personal PC, then psminitsessionexe should not be running at all. In that case, run a full antivirus scan immediately. If this process fails to launch or encounters

The most frequent cause is a misconfiguration of the PSMConnect user profile. In that case, run a full antivirus scan immediately

: Typically found at C:\Program Files (x86)\CyberArk\PSM\Components\PSMInitSession.exe .

At its core, is a CyberArk utility responsible for setting up the environment for a Privileged Session . When a user connects to a target system (like a Windows Server or a Unix box) through the CyberArk Privileged Access Manager (PAM) , the PSM acts as an intermediary.