Press the Show Users Button to display who besides yourself is presently online with pc/MRP. Press the Set Administrative Lockout Button to send a message to those users to log out of pc/MRP.
Wait for users to log off of pc/MRP.
Once all users of pc/MRP except you have logged of, the following screen appears:
You can now press the OK Button and proceed with your administrative tasks. Once you are finished with your administrative tasks, you must return to this module and press the Remove Administrative Lockout Button.
15.15.4 Step 4, Removing the Admin Lockout
If the person setting the lockout logs out of pc/MRP, he must log back into pc/MRP using the same PC and the same user name, in order to remove the lockout. If he cannot log back into pc/MRP, remove the file MRPBUSY.FLG from the pcmrpw directory.