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Connection to Quickbooks failed! Please try again. Possible Reason: The application trying to connect to Quickbooks is not supported while multiple instances of Quickbooks are running


Error:

Connection to Quickbooks failed! Please try again. Possible Reason: The application trying to connect to Quickbooks is not supported while multiple instances of Quickbooks are running. Webgility Extension

 

Cause:

This usually happens when there are multiple instances of the Quickbooks Desktop application running or there is a difference in the user permissions between the Webgility Extension and Quickbooks Desktop.

 

 

Steps to rectify the issue:

1). Restart QuickBooks Desktop:

  • On the affected machine, close all instances of the QuickBooks Desktop application.

  • Open Task Manager, go to the Details tab, and ensure there are no lingering QuickBooks processes.

  • Once everything is closed, relaunch QuickBooks Desktop and test the connection from the Webgility Extension.

2). Check User-Level Permissions:

  • If the issue persists, it may be due to a discrepancy in user permissions between the Webgility Extension and QuickBooks Desktop.

Follow these steps:

  • Close both the Webgility Extension and QuickBooks Desktop completely, including the one under the Details tab in Task Manager.

  • Navigate to the C: Drive and locate the Webgility folder.

  • Right-click on the Webgility folder and select Properties.

  • Go to the Security tab, click Edit, and then Add.

  • In the Enter the object names to select text box, type Everyone, then click Check Names and OK.

  • Under Permissions for Everyone, check the box for Full Control under the “Allow” column.

  • Click Apply and OK to save the changes.

Please refer to the help article here for detailed instructions on how to execute the Unify.exe.

 

 

  • Need to follow the same steps for the Webgility Extension launcher, Intuit folder (C:\Program Files\Intuit\), and the Quickbooks Desktop launcher).

  • Once done launch Quickbooks Desktop, then Webgility Extension, and then test the connection again.

If you still need further assistance, please contact the Webgility Support Team.