hie everybody i have a problem with my win2k server i wanna make this server to the domain abc.com (abc.com domain controller is a win2k server also) and get this message "the following error occured attempting to join the domain "abc.com" No mapping between account names and security IDs was done" i reinstall the server, couldn't solve this problem. do you have any suggestion? ----- To unsubscribe, send a message to win2kforum-request@xxxxxxxxxxxxx and put "unsubscribe" in the subject of the message. To reach the administrator(s), send a message to win2kforum-admins@xxxxxxxxxxxxxx