Successfully made %1 the primary name for the computer. The computer must be rebooted for this name change to take effect. ...

Successfully made %1
the primary name for the computer. The computer must be rebooted for this name
change to take effect. Until then this computer may not be able to authenticate
users and other computers, and may not be authenticated by other computers in
the forest. The specified new name was removed from the list of alternate
computer names. The primary computer name will be set to the specified new
name after the reboot.