Encountering QuickBooks Error 6190 and 816 can be frustrating, especially when you are in the middle of important accounting tasks. This error typically arises when multiple users try to access a company file in single-user mode or due to a mismatch between the company file (.QBW) and the transaction log file (.TLG). When this happens, QuickBooks restricts access to the file, preventing users from making necessary updates.

If you are struggling with QuickBooks Error 6190 and 816, don’t worry. This guide will help you understand the causes behind the error, provide step-by-step troubleshooting methods, and suggest preventive measures to keep your QuickBooks running smoothly.

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Causes of QuickBooks Error 6190 and 816

Understanding the root cause of QuickBooks Error 6190 and 816 can help in resolving it effectively. Some of the most common causes include:

1. Mismatch Between Company File and Transaction Log File
   • QuickBooks creates a .TLG (Transaction Log) file alongside the .QBW (Company) file. If the .TLG file does not match the company file, it can trigger this error.
2. Company File Being Used in Single-User Mode
   • If multiple users attempt to open the company file in a single-user mode, it can lead to QuickBooks Error 6190 and 816.
3. Corruption in QuickBooks Data File
   • If the company file is corrupted, it may cause this error and prevent users from accessing QuickBooks.
4. Damaged Network Data (.ND) File
   • The .ND file is essential for multi-user access. If it gets damaged, it can result in errors when opening the company file.
5. QuickBooks Not Updated
   • Running an outdated version of QuickBooks can sometimes trigger compatibility issues, leading to QuickBooks Error 6190 and 816.

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Solutions to fix QuickBooks Error 6190 and 816

Here are some of the most effective troubleshooting methods to resolve QuickBooks Error 6190 and 816:

Solution 1: Use QuickBooks File Doctor Tool

QuickBooks provides a built-in tool called QuickBooks File Doctor, which helps diagnose and fix file-related errors.

1. The very first step is to download and install QuickBooks Tool Hub from the official Intuit website.
2. You now have to open QuickBooks Tool Hub and go to the Company File Issues tab.
3. After that click on Run QuickBooks File Doctor.
4. You need to choose the company file from the list or browse to locate it.
5. Click Check Your File and then Continue.
6. Also, type in QuickBooks admin credentials and click Next.
7. The tool will scan and fix the issue automatically.

Solution 2: Rename the .ND and .TLG Files

Renaming these files forces QuickBooks to create new ones, potentially resolving the error.

1. Here, you need to open the folder where your company file is stored.
2. And then, search for files with the same name as your company file but with .ND and .TLG extensions.
3. You are then required to right-click on each file and choose Rename.
4. Furthermore, add .old at the end of the file name (e.g., CompanyFile.qbw.nd.old).
5. After that, reboot QuickBooks and check if the error is resolved.

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Solution 3: Check Multi-User Mode Settings

If multiple users are trying to access QuickBooks in single-user mode, you need to switch to multi-user mode.

1. The very first step is to open QuickBooks on the host computer.
2. And then, click on File and select Switch to Multi-User Mode.
3. You need to try accessing the company file from other systems.

Solution 4: Update QuickBooks to the Latest Version

Running an outdated version of QuickBooks may cause compatibility issues. Updating QuickBooks can help fix QuickBooks Error 6190 and 816.

1. You are first required to open QuickBooks and go to the Help menu.
2. And then, choose Update QuickBooks Desktop.
3. The next step is to click on Update Now and then Get Updates.
4. You also have to reboot QuickBooks and install any pending updates.

Solution 5: Move the Company File to Another Location

Sometimes, the company file’s location can cause access issues. Try moving it to a different folder.

1. The first step here is to head to the company file’s current location.
2. Also, copy the file and paste it into a different folder.
3. After this, you need to open QuickBooks and browse to the new location to open the file.

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Solution 6: Use QuickBooks Database Server Manager

If you use QuickBooks in a multi-user environment, ensure that the QuickBooks Database Server Manager is running properly.

1. The user needs to first open QuickBooks Tool Hub and go to the Network Issues tab.
2. After this, you need to click on QuickBooks Database Server Manager.
3. Furthermore, browse to locate your company file and click Start Scan.
4. Also, restart your system and check if the error persists.

Preventive Measures to Avoid QuickBooks Error 6190 and 816

To prevent QuickBooks Error 6190 and 816 from occurring in the future, follow these best practices:

• Regularly update QuickBooks to the latest version.
• Ensure that all users exit QuickBooks properly to prevent file corruption.
• Avoid running QuickBooks in single-user mode if multiple users need access.
• Regularly back up your QuickBooks data to prevent data loss.
• Keep the .ND and .TLG files in sync by not making changes to the company file without updating these associated files.
• Use QuickBooks File Doctor periodically to check for file integrity issues.

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Conclusion

QuickBooks Error 6190 and 816 can be a roadblock in your daily accounting tasks, but it is entirely fixable with the right approach. By identifying the root causes and following the troubleshooting methods outlined above, you can resolve the error efficiently. If the issue persists, consider reaching out to QuickBooks support for further assistance. You can reach out to our tech support team at +1-888-545-4572 and our technically sound professionals will ensure to assist you with all your queries immediately.