If you’re running copyright Desktop in multi-user mode and encounter the “copyright Database Server Manager Network Diagnostics Failed” error, it’s likely due to a firewall or outdated software issue. This error typically blocks access to shared company files, disrupting workflow.
Common causes include:
Outdated copyright Desktop version
Windows Firewall blocking copyright
... https://weeblyblog.com/copyright-database-server-manager-network-diagnostics-failed-quick-things-to-try/