QuickBooks is one of the most widely used accounting software programs, offering robust features to help businesses manage their finances efficiently. However, users may occasionally encounter errors that disrupt their workflow. One such issue is the occurrence of QuickBooks Error Codes 6190 and 816. These errors typically arise when multiple users attempt to access the company file in a single-user mode, but other factors can also trigger them.

In this comprehensive guide, we’ll explore what QuickBooks Error Codes 6190 and 816 are, their common causes, and how to resolve them. Additionally, we’ll provide some preventive measures to help you avoid these errors in the future.

What Are QuickBooks Error Codes 6190 and 816?

QuickBooks Error Codes 6190 and 816 usually appear together and indicate that QuickBooks is unable to open the company file. The error message might read something like, "QuickBooks was unable to open the file [path] on the host computer." These errors are generally related to issues with multi-user mode, where more than one user attempts to access the same company file simultaneously.

The Impact of Error Codes 6190 and 816

When these errors occur, users are unable to access the company file, leading to potential delays in accounting tasks such as data entry, financial reporting, and payroll processing. Prolonged issues can result in significant disruptions to business operations, making it essential to resolve these errors promptly.

Common Causes of QuickBooks Error Codes 6190 and 816

To effectively resolve QuickBooks Error Codes 6190 and 816, it’s crucial to understand the underlying causes. Some of the most common reasons include:

1. Single-User Mode Conflict: These errors often occur when multiple users attempt to access the QuickBooks company file while it’s set to single-user mode.

2. Data Mismatch Between Transaction Log and Company File: QuickBooks maintains a transaction log file (.tlg) alongside the company file (.qbw). If there’s a data mismatch between these files, it can trigger Errors 6190 and 816.

3. Network Issues: Problems with the network connection between the host computer (where the company file is stored) and the workstations can also lead to these errors.

4. File Corruption: A corrupted QuickBooks company file can cause various errors, including Error Codes 6190 and 816.

5. Incorrect File Extension: If the file extension for your company file has been changed or is incorrect, QuickBooks may not recognize it, leading to these errors.

6. Hosting Configuration Problems: If the hosting settings are incorrectly configured, it can cause issues when multiple users try to access the company file simultaneously.

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How to Fix QuickBooks Error Codes 6190 and 816

Now that we’ve identified the potential causes, let’s delve into the steps to resolve QuickBooks Error Codes 6190 and 816. Follow these solutions in order to increase the chances of successfully fixing the problem.

Solution 1: Use the QuickBooks File Doctor Tool

QuickBooks File Doctor is a diagnostic tool designed to fix various issues related to company file corruption and network setup. Here’s how to use it:

1. Download and Install the Tool:

   • Visit the official QuickBooks website and download the QuickBooks Tool Hub.
   • Install the Tool Hub on your system.

2. Run QuickBooks File Doctor:

   • Open the QuickBooks Tool Hub and select the Company File Issues tab.
   • Click on Run QuickBooks File Doctor.
   • Choose your company file from the list. If you don’t see your file, browse to locate it.
   • Select Check your file and then click Continue.
   • Enter your QuickBooks admin password and click Next.

3. Wait for the Scan to Complete:

   • The scan may take some time, depending on the size of your company file. Once it’s complete, try opening your company file again.

Solution 2: Verify and Rebuild Data

If the QuickBooks File Doctor doesn’t resolve the issue, you can try verifying and rebuilding your company file data. This process helps identify and fix any data integrity issues.

1. Backup Your Company File:

   • Before proceeding, ensure you have a backup of your QuickBooks company file.

2. Verify Data:

   • In QuickBooks, go to File > Utilities > Verify Data.
   • QuickBooks will scan your company file for any issues.

3. Rebuild Data:

   • If QuickBooks identifies any issues during the verification process, proceed to rebuild the data.
   • Go to File > Utilities > Rebuild Data.
   • Follow the on-screen prompts to complete the rebuild process.

4. Check the File Again:

   • After rebuilding the data, try opening your company file to see if the error has been resolved.

Solution 3: Rename the .ND and .TLG Files

The .ND (Network Descriptor) and .TLG (Transaction Log) files are essential for QuickBooks to access company files in a multi-user environment. If these files are corrupted, renaming them can force QuickBooks to recreate them, potentially resolving the error.

1. Locate the Files:

   • Open the folder where your QuickBooks company file is stored.
   • Look for files with the same name as your company file but with .ND and .TLG extensions.

2. Rename the Files:

   • Right-click on each file (one at a time) and select Rename.
   • Add the word .old at the end of the file name (e.g., CompanyFile.qbw.nd.old).

3. Reopen QuickBooks:

   • After renaming the files, open QuickBooks and try accessing your company file.

Solution 4: Check and Configure Hosting Settings

Incorrect hosting settings can prevent multiple users from accessing the company file, leading to Error Codes 6190 and 816.

1. Check Hosting Settings:

   • On your server or host computer, open QuickBooks.
   • Go to File > Utilities.
   • If you see the option Stop Hosting Multi-User Access, select it. If you see Host Multi-User Access, leave it as is.

2. Restart QuickBooks on Workstations:

   • Close QuickBooks on all workstations and then reopen it.

3. Access Company File:

   • Try accessing the company file from the workstation to see if the error is resolved.

Solution 5: Ensure All Users Are Logged Out

If multiple users are logged into the company file when it’s in single-user mode, it can cause errors. Ensure all users are logged out before attempting to access the file again.

1. Log Out All Users:

   • Make sure all users are logged out of QuickBooks.

2. Restart QuickBooks:

   • After everyone has logged out, restart QuickBooks on the host computer.

3. Access the Company File:

   • Attempt to open the company file to see if the error persists.

Solution 6: Use QuickBooks Database Server Manager

QuickBooks Database Server Manager is a tool that helps manage your QuickBooks company files for multi-user access. If there are issues with the server hosting the company file, using this tool can help.

1. Install QuickBooks Database Server Manager:

   • Open the QuickBooks Tool Hub.
   • Select the Network Issues tab.
   • Click on QuickBooks Database Server Manager and install it if you haven’t already.

2. Scan the Folder:

   • In the Database Server Manager, click Browse and select the folder where your company file is stored.
   • Click Start Scan.

3. Check the Results:

   • Once the scan is complete, the tool will display any issues it found and fixed.
   • Try accessing the company file again.

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Preventing QuickBooks Error Codes 6190 and 816

While knowing how to resolve these errors is important, taking preventive measures can help you avoid encountering them in the first place.

1. Regularly Update QuickBooks

Ensure you are always using the latest version of QuickBooks. Regular updates include bug fixes, performance improvements, and enhanced features that can prevent errors.

• Automatic Updates: Enable automatic updates in QuickBooks to ensure you’re always up to date.
• Manual Updates: Periodically check for updates and install them as needed.

2. Use Proper Multi-User Mode Configuration

Proper configuration of multi-user mode is essential to avoid conflicts that can lead to errors.

• Set Permissions: Ensure that all users have the correct permissions for accessing the company file in multi-user mode.
• Use QuickBooks Database Server Manager: Make sure this tool is correctly configured to manage multi-user access.

3. Regularly Backup Your Data

Regular backups are crucial in case you need to restore your company file after encountering errors.

• Automatic Backups: Schedule automatic backups in QuickBooks to ensure you have the latest data saved.
• External Backups: Consider storing backups on an external drive or cloud storage for added security.

4. Monitor Network Health

Regularly check your network connections to ensure they’re stable and secure. A stable network is vital for smooth multi-user access.

• Network Maintenance: Perform regular maintenance checks on your network to prevent connectivity issues.
• Use Reliable Equipment: Invest in quality network equipment like routers and switches to maintain a stable connection.

5. Educate Users

Ensure that all QuickBooks users are aware of the importance of following proper procedures when accessing the company file.

• Training Sessions: Conduct training sessions to educate users on best practices for using QuickBooks in a multi-user environment.
• User Manuals: Provide detailed user manuals that outline the correct steps for accessing and using QuickBooks.

When to Seek Professional Help

If the above solutions don’t resolve QuickBooks Error Codes 6190 and 816, it might be time to seek professional help. Certified QuickBooks ProAdvisors or technical support can assist with more complex issues, ensuring your company file is safely restored and operational.

Conclusion

QuickBooks Error Codes 6190 and 816 can be disruptive, but with the right approach, they’re manageable. Understanding the causes, following the appropriate troubleshooting steps, and implementing preventive measures will help ensure that your QuickBooks experience remains smooth and efficient.

By staying proactive with updates, backups, and proper configuration, you can minimize the likelihood of encountering these errors in the future. Should the need arise, don’t hesitate to seek professional assistance to safeguard your financial data and keep your business running smoothly.

If you need further assistance, professional help is just a phone call away. For expert assistance, call us at +1-888-538-1314. Our team of QuickBooks professionals is ready to help you resolve any issues you may encounter and ensure optimal performance for your QuickBooks software.

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