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QuickBooks Error -6190, -816 Explained: Causes and Fixes for Company File Access Problems

QuickBooks Error Code -6190, -816 typically occurs when QuickBooks Desktop is unable to open a company file. This error often arises in a multi-user environment when another user is logged into the company file in single-user mode. It can also result from a mismatch between the transaction log file (.TLG) and the company file (.QBW), or from network issues.

Common Causes of Error -6190, -816

  • Single-User Mode Conflict: Another user is logged into the company file in single-user mode.

  • Transaction Log Mismatch: The transaction log file (.TLG) doesn't match the company file (.QBW)

  • Network Issues: Problems with the multi-user network setup.

  • File Corruption: Corrupted company file or network data files.

Solutions to Resolve Error -6190, -816

1. Ensure QuickBooks is Updated

Keeping QuickBooks Desktop updated ensures compatibility and fixes known issues.

  • Open QuickBooks Desktop.

  • Go to Help > Update QuickBooks Desktop.

  • Click on Update Now, then select Get Updates.

  • Restart QuickBooks after the update completes.

2. Use QuickBooks Tool Hub

QuickBooks Tool Hub is a collection of tools to fix common issues.

  • Download the latest version of

  • Install and open the Tool Hub.

  • Select Program Problems and then Quick Fix my Program.

  • After the tool runs, open QuickBooks and the company file.

3. Rename .ND and .TLG Files

Renaming these files allows QuickBooks to recreate them, potentially resolving the issue.

  • Navigate to the folder containing your company file.

  • Locate files with the same name as your company file but with extensions .ND and .TLG.

  • Right-click each file and select Rename

  • Add .OLD at the end of each file name (e.g., company_file.qbw.nd.OLD).

  • Open QuickBooks and try accessing the company file.

4. Restart All Computers

Sometimes, a simple restart can resolve network-related issues.

  • Restart the server hosting the company file.

  • Restart all workstations connected to the network.

  • Open QuickBooks on the server and then on each workstation.

5. Run QuickBooks Database Server Manager

This tool helps manage your QuickBooks Database Server.

  • Open QuickBooks Tool Hub.

  • Select Network Issues and then QuickBooks Database Server Manager.

  • Scan the folder containing your company file.

  • After the scan, open QuickBooks and try accessing the company file.

6. Verify Hosting Settings

Ensure that only the server computer is set to host multi-user access.

  • Open QuickBooks on each workstation.

  • Go to File > Utilities.

  • If you see Host Multi-User Access, do not select it.

  • If you see Stop Hosting Multi-User Access, select it.

7. Move Company File to Local Drive

If your company file is stored on an external drive or cloud service, move it to a local drive.

  • Copy the company file to a local drive on the server.

  • Open QuickBooks and access the company file from the new location.

8. Restore a Backup

If the company file is corrupted, restoring a recent backup may resolve the issue.

  • Open QuickBooks.

  • Go to File > Open or Restore Company > Restore a backup copy.

  • Follow the prompts to restore the backup.

Need Further Assistance?

If you've tried the above solutions and still encounter Error -6190, -816, our QuickBooks support team is here to help. Contact us at 877-200-7013 for personalized assistance.

 
 
 

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