Unexpectedly, QuickBooks database server manager stopped prevents multiple users from accessing company files. Incorrect firewall settings, out-of-date software, or service incompatibilities could be the cause of this problem. Restarting the service, upgrading QuickBooks Desktop, making sure the firewall is configured correctly, and confirming server permissions for smooth communication in multi-user mode are all necessary to fix it. If you experience any problems, give the QB Support staff a call at 1.855.738.2784.