QuickBooks error 6123-Way to Resolve it

While we are updating our QuickBooks Desktop file to a new version, or we are opening company file in multi-user mode over a network, or when we are restoring a backup file, we found an error 6123, 0 or QuickBooks company file has been lost connection. The error is caused by the following reasons: Opening your company file in a new version of QuickBooks. Disrupted network connection with the Host computer. Desktop Firewall setting prevents QuickBooks file from accessing. QuickBooks Database multiple services are running. QuickBooks Desktop Data or Program file has damaged. Restoring a backup directly from a flash drive or other removable storage device. Company file is damaged. Damaged Windows user. Network connection lost. We recommend you attempt the following solutions in order to resolve the error. Here is some way to fix the error-6123 . Verify the network connection with the host computer: If you are using an Internet connection through ...