A user may encounter errors where QuickBooks can’t establish a connection with the company file and trigger errors like 6123, 0. This is a common type of company file error and can be resolved easily by following the troubleshooting steps mentioned in this article. Further, in the article along with the troubleshooting steps, you will also find the error prompting reasons so that you can take proper actions to avoid getting such errors in the future.
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What Cause QuickBooks Company File Connection Errors?
The workstation has lost the connection to the network.
Windows Firewall is preventing QuickBooks to access the necessary ports to establish a connection with the internet.
QuickBooks Network Data file is corrupt or damaged.
The server is not responding due to some reasons.
More than one QuickBooks Database Service is running on the computer.
There is a damage in the QuickBooks company file.
There are errors in the QuickBooks installation.
Few Important Points to Consider:
Make sure you are properly connected to the internet, and there is no damage to the company file. If you find any errors in the network and the company file then run QuickBooks File Doctor to repair the damage.
Check that the host computer/ server is not in the hibernation mode.
Repair QuickBooks installation errors from the Uninstall a Program section of Control Panel.
Turn-off any third-party and Windows firewall running on your computer and try to open the company file again.
Recommended to read : QuickBooks Connection Has Been Lost
The Solution to resolve QuickBooks Company File Connection Errors
Solution 1: Repair Damaged QuickBooks Network Data Files
Open QuickBooks installation directory in the C drive of your computer.
Locate the files with .ND extension.
The file name will be the same as your company file.
Right-click the network data file and select Rename.
Add .old at the end of the file name.
Open QuickBooks once again and try to open the company file.
Solution 2: Restart QuickBooks Database Service
Press Windows + R keys together and once the Run window pops up type services.msc in the text box.
Press Enter and scroll down to find QuickBooksDB service.
Right-click the service and select Restart.
If the error is still not resolved or you are getting an error message QuickBooks “The company file you selected could not be found. You can try one of the following” then follow the advanced troubleshooting mentioned in our article on Company File Not Found QuickBooks Error Resolved or call QuickBooks Desktop Technical Support Number 1.800.579.0391 for immediate help.
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