• QuickBooks Cannot to Communicate with the Company File Issue occurs when there are faults in the server configuration or if the server is experiencing connectivity issues with other workstations in the network.

• QuickBooks needs Database Server Manager to connect with the company file, and if this process is not running on the workstation, then QuickBooks show such types of connectivity errors.

• Another common reason is the outdated QuickBooks Desktop application.

To resolve this error, you can try updating your QuickBooks application, and for more solutions, follow this complete article.