Pinging from the server to one of the systems in the domain

Was not able to ping some of the domain members from the domain server.

When the firewall on the client system was disabled, the server was able to ping the client system.

symantec client not getting updated

The Symantec anti-virus client was not getting updated by the Anti-virus server.

When the firewall was disabled in the client system, the client system started getting updated.