QuickBooks Desktop sync error: Another active sync already in progress or another active session in progress
Why the sync error occurs
This error is a safeguard to prevent multiple syncs against the same QuickBooks file at the same time, which can cause bad data.
How to fix the sync error
- This error message has a timeout set for 20 minutes. Wait at least 20 minutes and try to sync again.
- If you are using a Right Networks Server, shut down and restart the server to resolve the issue