QuickBooks Desktop sync error: Open the Quickbooks file and sync again
Why the sync error occurs
This error can occur for several reasons:
- The user syncing needs to be logged in as an Administrator in the QuickBooks file
- The user syncing needs to be logged in Single-User Mode
- Bill.com needs to be an Integrated Application in QuickBooks
How to fix the sync error
- Make sure the user syncing needs is logged in as an Administrator in the QuickBooks file
- Make sure the user syncing is logged in Single-User Mode
- Make sure Bill.com is an Integrated Application in QuickBooks:
- In QuickBooks on the top tool bar, select Edit>Preferences
- Select Integrated Applications
- Select the Company Preferences tab
- Highlight Bill.com and select the check box to allow access
- Go to the Sync Dashboard and select Sync. When the application certificate pops up, select the checkbox for Yes, always allow access even if QuickBooks is not running
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