In the SES cloud console (ICDm), when adding a Corporate Wireless Network to a Network Integrity policy, the ROUTER MAC ADDRESS (BSSID) field is blank, empty, or missing the value entered after clicking the Add button.
Symantec Endpoint Security
Enterprise Console
You must hit the Enter key on your keyboard after typing in a valid MAC address.
When adding a router MAC address in a Network Integrity policy, you must hit the Enter key before clicking Add button. Hitting Enter will change the plain text to an entry highlighted in blue, similar to what the Router Vendor looks like after selecting it from the dropdown. Example screenshots below the steps: