You can use a web browser on the client computer to test the connectivity between the management server and the client. This method helps determine whether the problem is with the connection or network, or with the client itself.
You can also check the connection between the management server and the client computer by using the following methods:
Checking whether the Symantec Endpoint Protection client status icon shows a green dot.
where SEPMServer is the management server's DNS name, NetBIOS name, or IP address.
IP address includes IPv4 and IPv6. You must enclose the IPv6 address with square brackets: http://[SEPMServer]:port number
When the webpage appears, look for one of the following results:
If the word OK appears, the client computer connects to the management server. Check the client for a problem.
If the word OK does not appear, the client computer does not connect to the management server. Check the client's network connections and that network services are running on the client computer. Verify the DNS service for the client and check its routing path.