UpSEP client on SEPM server (12.1.4013.4013) and cannot map drives

I just upgraded my SEPM from 12.1.3 to 12.1.4. I then upgraded the SEP client on the server; antivirus only, no firewall. Since the upgrade however, I cannot map drives from this server.

I looked in the device manager, changing the 'VIEW' to show devices by connection and show hidden devices. There is a 'Symantec Endpoint Protection Firewall' entry in the device list.

Could this be what's causing my issue?

Thank you.