QuickBooks Error 6190 and 816 is a common issue that users encounter when attempting to access a company file in a multi-user environment. This error typically occurs due to discrepancies between the transaction log file (.TLG) and the company file (.QBW) or when the file is already in use by another user or application. Resolving this error is essential for seamless QuickBooks operations.

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Causes of QuickBooks Error 6190 and 816

Understanding the root causes can help you troubleshoot and resolve the error effectively. Below are the most common reasons:

1. Mismatch Between .TLG and .QBW Files

If the transaction log file does not match the company file, QuickBooks may fail to open the file.

2. File in Single-User Mode

Attempting to access the file in single-user mode while another user is logged in can trigger the error.

3. Corrupted or Damaged File

Damage to the company file or the transaction log file can lead to this error.

4. Network Connectivity Issues

Problems with the network connection between the server and workstations can disrupt file access.

5. Hosting Configuration Errors

Improper hosting settings in QuickBooks can cause conflicts in multi-user environments.

How to Fix QuickBooks Error 6190 and 816

Follow these step-by-step solutions to resolve the error and regain access to your company file:

Step 1: Use the QuickBooks Tool Hub

  1. Download and Install: Visit Intuit’s official website and download the QuickBooks Tool Hub.

  2. Run the Tool: Open the Tool Hub and select Company File Issues.

  3. Quick Fix My File: Click on "Quick Fix My File" to resolve minor issues with your company file.

  4. Retry Access: Attempt to open the company file again.

Step 2: Verify and Rebuild Data

  1. Open QuickBooks Desktop and navigate to File > Utilities > Verify Data.

  2. If QuickBooks detects an issue, go to File > Utilities > Rebuild Data.

  3. Follow the prompts to repair the file.

Step 3: Rename the .TLG and .ND Files

  1. Locate the folder containing your company file.

  2. Find files with the same name as your company file but extensions .TLG and .ND.

  3. Rename the files by adding ".old" to their names (e.g., CompanyName.qbw.tlg.old).

  4. Restart QuickBooks and try opening the company file.

Step 4: Check Hosting Settings

  1. Open QuickBooks on all computers accessing the file.

  2. Navigate to File > Utilities.

  3. Ensure only the server computer has hosting enabled; all others should show Stop Hosting Multi-User Access.

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Step 5: Move the Company File

  1. Copy the company file to the desktop or another location on your computer.

  2. Open QuickBooks and try accessing the file from its new location.

  3. If successful, move the file back to its original location.

Step 6: Test Network Connectivity

  1. Ensure all computers are connected to the same network.

  2. Restart your router and modem.

  3. Use the Ping Command to check communication between the server and workstations.

Step 7: Use QuickBooks Database Server Manager

  1. Open the QuickBooks Tool Hub and select Network Issues.

  2. Launch the QuickBooks Database Server Manager.

  3. Add the folder containing your company file.

  4. Click Start Scan to repair network issues.

Preventing QuickBooks Error 6190 and 816

Taking proactive measures can help you avoid encountering this error in the future:

1. Regularly Update QuickBooks

Keep your QuickBooks software updated to the latest version to avoid compatibility issues.

2. Maintain Backup Copies

Create regular backups of your company files to prevent data loss and ensure file integrity.

3. Optimize Network Configuration

Ensure your network is properly configured and that all devices are connected securely.

4. Monitor Multi-User Mode

Properly manage multi-user settings to avoid conflicts when accessing files.

5. Use Reliable Hardware

Invest in reliable hardware and network infrastructure to reduce the risk of file corruption.

When to Seek Professional Help

If the error persists despite following these steps, it’s advisable to consult QuickBooks experts. Professionals can:

  • Diagnose advanced issues.

  • Repair severely corrupted files.

  • Optimize your QuickBooks setup for multi-user environments.

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Conclusion

QuickBooks Error 6190 and 816 can disrupt your workflow, but with the right approach, it is resolvable. By understanding the causes and applying the solutions provided in this guide, you can restore access to your company file and maintain smooth operations. For further assistance, contact QuickBooks support at +1-888-538-1314 to resolve the error promptly.