How can you fix your QuickBooks data file or network setup while using your QuickBooks and face this QuickB...
How can you fix your QuickBooks data file or network setup while using your QuickBooks and face this QuickBooks Error 6123, 0 when you opening your company file over a network or multi-user mode, upgrading a company file to a newer version of QuickBooks or you want to restore the backup but you get a 6123,0 error message. So, simply if you ever face this problem when working with QuickBooks, you can solve this error with QuickBooks File Doctor to fix this. But if the file doctor can’t help you to run your system the go to the manual steps given below. These steps are available for additional troubleshooting. According to Intuit, QuickBooks Error code -6123,0 “Connection to the QuickBooks company file has been lost” occurs in multi-user environments.
Note: If you are using McAfee security software then this may be the reason behind 6123 errors in QuickBooks Desktop. In this case, as you already know McAfee security software does not belong to intuit so please contact McAfee or read this article for any guidance. If you are not using McAfee then see the steps given below to resolve this issue:
When establishing or when the use of a QuickBooks company report over a network, you see one or more of the following errors:
QuickBooks Error -6123, 0.
Connection to the QuickBooks company file has been lost.
QuickBooks Error code -6123, 0
Why QuickBooks Error Code -6123, 0 is happening?
A corrupt network connection with the host computer.
Firewall software is blocking a port necessary to communicate with the server hosting the company file.
Damage QBW files.
QuickBooks data or program files get corrupt.
Multiple instances of QuickBooks database service are running.
The McAfee Privacy Service is installed with the Block Web Bugs filter option selected.
Maybe company file is open in a new version of QuickBooks.
Maybe you are restoring a backup from a removable storage device.
Damaged Window user
Fix QuickBooks Error Error 6123, 0 when upgrading/opening a company file in Quic