The Administrator wishes to perform a task that requires them being in Single-User Mode; however, the other users accessing the file are not at their workstations.
Log out users using the Close company file for users feature within QuickBooks Messenger:
Note: To perform this task, you must be logged in as Administrator.
If these steps do not resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free or you can contact a technical support agent for additional guidance. Fees may apply.