When the user attempts to turn hosting on or off within QuickBooks, they receive an error message:
Problem: Quickbooks cannot change the multi-user hosting mode on this computer because other QuickBooks users are logged into Windows Via Fast User Switching.
Ask the other users logged into this machine to temporarily close QuickBooks. Then, try again.(-6174, 0)
This issue can occur, due to the following:
Important: Prior to performing any of the following steps, ensure that all workstations are logged out of QuickBooks files.
Note: Once you restart the computer, the QBPOSDBService.exe will restart.