Event Message:

User Right Removed: User Right: parameter Removed From: name Removed By: User Name: name Domain: user name Logon ID: parameter

Source Event Log Event ID Event Type
Security Security 609 Success Audit

Explanation:

This event record indicates that a specific right assigned to the identified user was removed.

User Action:

The person with administrative rights for the computer should make sure the user right assigned was supposed to be removed.