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.