Please open QuickBooks in Single User Mode to Make Inventory Adjustments

This article applies to users of Webgility Desktop integrated with QuickBooks Desktop who encounter the error “Please open QuickBooks in Single User Mode to make inventory adjustments.” This error usually occurs while posting a payout or performing a task that involves updating inventory through Webgility Desktop. Since QuickBooks Desktop restricts certain operations—such as inventory adjustments—to single-user mode for data accuracy and integrity, this message appears when the company file is open in multi-user mode.

Error Message:

Cause of the issue:

This issue typically arises when posting payout. This error can prevent you from proceeding with payout posting, and it occurs when the company file is currently being accessed in multi-user mode. QuickBooks requires that certain features, such as making inventory adjustments, are only performed in single-user mode to ensure data integrity and avoid conflicts when multiple users are accessing the same company file simultaneously.

Steps to fix:

Close QuickBooks on all the machines
Launch QuickBooks on the Webgility Desktop machine and switch it to single-user mode.
Now try to post the payout from Webgility Desktop.
Once done then you can switch back your QuickBooks to multi-user mode again.