QuickBooks is a powerful accounting tool used by businesses worldwide, but technical errors like QuickBooks Error 6123 can disrupt workflow. This error occurs when you try to open, restore, or upgrade a QuickBooks company file, preventing access to crucial financial data.
Getting QuickBooks Error 6123? Learn how to troubleshoot and fix this issue step by step. Call +1(866)408-0544 for expert assistance now.
If you’re experiencing this error, don’t worry—there are effective solutions to fix it. In this guide, we’ll cover the causes, troubleshooting steps, and preventive measures to help you resolve QuickBooks Error 6123 efficiently.
What is QuickBooks Error 6123?
QuickBooks Error 6123 is a connection-related error that usually appears when:
- Opening a company file in multi-user mode.
- Restoring a company file from a backup.
- Upgrading a QuickBooks company file.
The error message typically states:
“Error -6123, 0: Connection to the QuickBooks company file has been lost.”
What Causes QuickBooks Error 6123?
Several factors can trigger QuickBooks Error 6123, including:
- Corrupt or damaged QuickBooks company file
- Interrupted connection between QuickBooks and the server
- Multiple instances of QuickBooks Database Server Manager running
- Firewall or antivirus software blocking QuickBooks
- Special characters in the company file name
- Damaged QuickBooks installation files
How to Fix QuickBooks Error 6123?
Below are several tested solutions to fix QuickBooks Error 6123 windows 11. Follow them in order until the issue is resolved.
Method 1: Run QuickBooks File Doctor
- Download and install QuickBooks Tool Hub from Intuit’s website.
- Open the Tool Hub and go to the Company File Issues tab.
- Click Run QuickBooks File Doctor and select the affected company file.
- Allow the tool to diagnose and repair any detected issues.
- Restart QuickBooks and check if the error is resolved.
Method 2: Rename .ND and .TLG Files
- Navigate to the folder where your QuickBooks company file is stored.
- Locate the files with extensions .ND and .TLG associated with your company file.
- Right-click each file and select Rename.
- Add .OLD at the end of the file name (e.g.,
CompanyFile.qbw.ND→CompanyFile.qbw.ND.OLD). - Open QuickBooks and try accessing the company file again.
Method 3: Move the Company File to a New Location
- Copy the .QBW company file to a different folder (e.g., Desktop).
- Open QuickBooks and browse to the new location to open the company file.
- If successful, move the file back to its original location and try again.
Method 4: Disable Firewall and Security Software
- Temporarily disable your antivirus or firewall.
- Open QuickBooks and try accessing the company file.
- If successful, configure firewall settings to allow QuickBooks access.
Method 5: Create a New Windows User Profile
- Go to Control Panel > User Accounts > Manage Another Account.
- Click Add a new user and create a new administrator profile.
- Log in with the new profile and try opening QuickBooks.
Method 6: Uninstall and Reinstall QuickBooks
- Uninstall QuickBooks from Control Panel > Programs and Features.
- Download the latest QuickBooks version from Intuit’s official website.
- Reinstall QuickBooks and activate it with your license key.
- Open your company file to check if the error is fixed.
Preventing QuickBooks Error 6123
To avoid encountering QuickBooks Error 6123 in the future, follow these best practices:
- Keep QuickBooks updated to the latest version.
- Backup your company file regularly to prevent data loss.
- Avoid using special characters in file names.
- Ensure a stable network connection when using QuickBooks in multi-user mode.
- Configure firewall and security software to allow QuickBooks access.
Conclusion
QuickBooks Error 6123 can be frustrating, but by following the solutions outlined in this guide, you can fix the issue quickly and restore your company file. If you still need assistance, contact QuickBooks Support at +1(866)408-0544 for expert guidance.
By applying these troubleshooting steps and preventive measures, you can ensure smooth QuickBooks operations without encountering Error 6123 again.
