How to Fix QuickBooks Error Code 6123?
- natashadean6622
- May 8, 2023
- 2 min read
QuickBooks error 6123 connotes a technical error in QuickBooks. This aberration is encountered when the user tries to open the company files. The current discussion shall unravel and explain the likelihood causes behind the error and giving detailed explanations on how to fix QuickBooks Error code 6123 once and for all. So, read the blog to the end.

Causes Behind QuickBooks Error 6123
The Company file got damaged due to malware, virus, or due to other intangible factors.
Firewall could potentially deter QuickBooks from functioning properly.
Multiple Database servers may be simultaneously running on the system.
Windows Operating System file got damaged.
How to Troubleshoot QuickBooks Error 6123?
Solution 1: Leverage the Benefits of QuickBooks File Doctor
Download and install QuickBooks Tool Hub.
Run the tool and then access the File Doctor tool.
Click on browse and choose the company file.
Hit on 'Check File Damage Only' option and then click on 'Diagnose File'.
Enter the correct admin password and then click on "Ok."
Once done, restart the computer.
Solution 2: Rename the Network and Transaction Log files
Head to the folder containing the company file.
Opt for the ".ND" file and right-click on it.
Hit on 'Rename'.
Modify the file name to incorporate '.ND.OLD' at the end.
In the same way, rename the.TLG file.
Solution 3: Change the File Location
In certain instances, Error 6123 can also be fixed by changing the location of the company file.
Go to the QuickBooks company file folder.
Choose the company file(s) and copy the same (Ctrl +C) to a different location.
Run QuickBooks and use this new location to view the file.
Solution 4: Crafting a New User
The creation of a new account mandates users to first visit the Control Panel.
Therein, tap on "Create New User."
Further, advance to "Administrator user type."
Subsequently, sign out of the account you're using now.
After that, head to the new account and sign in.
Run QuickBooks as an administrator.
Now, open the company files.
Solution 5: Turn off the Security Programs
The firewall or system security software may be incorrectly configured. As such, it may prevent certain functionalities of QuickBooks from functioning seamlessly. It is thus recommended that users conform to turning off the security programs including the Firewall and the antivirus programs. Also, add QuickBooks to the list of exceptions in these security programs.
Solution 6: Conforming to Re-install QuickBooks
Users can use the QuickBooks Clean Install tool for this purpose. However, this objective can also be achieved by adapting the below given manual procedure:
Access the Control Panel and make a move to Programs and Features.
Choose QB Desktop (the version installed on the system).
Tap on Uninstall.
Next step is to Install QB Desktop in the default mode.
Provide the correct information in terms of the Product ID and License Number.
Also, activate and register the product.
Solution 7: Delete Characters Via the File Name
Users should ensure that the company file name is not exceeding 30 characters.
Furthermore, the file name should be devoid of any characters and unnecessary spaces.
Solution 8: Run the Quick Fix My Program

Run QuickBooks tool hub.
After that, go to “program problems."
Navigate to "Quick Fix my Program".
Proceed with the scan process.
Final Words
That marks the end of this discussion on how to fix QuickBooks Error 6123. If you encounter technical issues, just give us a call at +1-800-615-2347 and our specialized experts will fix all your issues.
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