Error -6129, 0 appears when modifying the company file in the single-user or multi-user modes. The error is associated with an elaborate message stating that QuickBooks was unable to validate the database connection. If you are facing the error and want to get it fixed at the earliest, make sure to read this article till the end to find effective fixes for QuickBooks Error 6129.
You may get the similar error message on your desktop screen:
• Poor response time of the Windows O/S.
• Frequent crashing of the QuickBooks program is a direct indication of Error 6129.
• Computer faces glitches recurrently.
• Windows crashes immediately upon the arrival of this error.
Main Causes that Lead to QuickBooks Error Code 6129QuickBooks Error 6129 occurs when you are trying to create a new company file or open an existing one in QuickBooks. This error is caused due to various reasons such as:
• Antivirus program may have blacklisted the company file.
• Accessing a company file on a separate network domain.
• QuickBooks installation files are corrupted or damaged
• A firewall or antivirus program is blocking QuickBooks files
· The company file may be upgraded using a user account without having the admin permissions.
• The Network (.ND) file might be corrupted.
Methods for resolving QuickBooks Error 6129To resolve QuickBooks Error 6129, you can try the following solutions:
Method 1: Changing the Network file filename• Move to the QuickBooks company file folder and herein search for the .ND file.
• When located, right-click the file and click on Rename.
• Change the name by adding “.old” at the end and click anywhere on the screen to save the change.
• Now, try accessing the company file in the multi-user mode again and see if QuickBooks error 6129 got fixed.
Method 2: Changing the location of the company files• At first, move to the QuickBooks Company file folder.
• Now, search for the company file that is provoking this error. Once located, copy the file by clicking on the file and pressing Ctrl + C keys together.
• The next step is creation of a new folder on the Desktop and pasting the file in this folder by pressing Ctrl + V keys together.
• Once done, launch QuickBooks Desktop and open the company file from this new location.
• If the QuickBooks issue 6129 is resolved by using this method, it means that the company file folder has likely been corrupted and needs to be repaired.
