When working in multi-user mode, many QuickBooks users encounter the error “QBDBMgrN not running on this computer.” This issue prevents workstations from connecting to the company file stored on the server, disrupting business operations. The problem typically occurs due to service failures, firewall blocks, or corrupted QuickBooks Database Server Manager files.
Why Does QBDBMgrN Stop Running?
Dial 1.877.419.2575 if you need expert assistance, but here are the most common causes:
- QuickBooks Database Server Manager service is disabled.
- Windows Firewall or antivirus is blocking QBDBMgrN.
- Corrupted .ND network configuration files.
- Outdated or damaged QuickBooks installation.
- Improper hosting configuration on the server.
Step-by-Step Windows Fix for 2025
- Restart the QuickBooks Database Server Manager Service
- Press Windows + R , type services.msc .
- Locate QuickBooksDBXX (XX = version year) .
- Right-click and select Restart .
- Check Windows Firewall Settings
- Open Control Panel > Windows Defender Firewall.
- Add QuickBooks and QBDBMgrN as allowed programs.
- Ensure required ports (8019, 56728, etc.) are open.
- Recreate the .ND File
- Locate the .ND file in your company file folder.
- Rename it (e.g., CompanyFile.qbw.nd.old ).
- Reopen QuickBooks; it will auto-generate a new .ND file.
- Run QuickBooks Tool Hub – Network Issues Tool
- Download and install QuickBooks Tool Hub (latest version).
- Open Network Issues tab .
- Run QuickBooks Database Server Manager Repair .
- Update QuickBooks Desktop
- Go to Help > Update QuickBooks Desktop.
- Install the latest release to ensure compatibility with Windows 10/11.
- Check Hosting Settings
- On the server, open QuickBooks.
- Go to File > Utilities .
- Ensure Host Multi-User Access is enabled.
-
Reinstall QuickBooks Database Server Manager
If none of the above works, uninstall and reinstall QBDBMgrN to restore proper functionality.
Final Thoughts
The error QBDBMgrN not running on this computer in Windows can halt multi-user access, but the above troubleshooting steps usually fix the issue.
For a faster solution, dial 1.877.419.2575 and let certified QuickBooks experts guide you through real-time troubleshooting to restore your database connection.