I was rehosting our Production Server last night and was cleaning up the Queues and Disconnected Users in our Rehosted Dev Server. I accidentally delete one of the user from our Windchill Production Server and Windchill DS.
I just wanted to know if there is a way to recreate this user or delete this users information from the database and recreate.
Do you have an LDAP backup? Can you restore from that? There is also a disconnected participants function from within Windchill. I haven't had this scenario you describe happen to me but this is where I'd start. That plus a larger search here or a call to PTC Support.