An administrator is configuring the View Connection Broker Agent. The Adapter instance is properly configured within vCenter Operations Manager for Horizon.
When the administrator clicks on the Test button to pair the server, the test fails. IP address and name resolution are validated and working for both servers.
What should the administrator do to verify connectivity between both servers?

A.
Verify that a proper Fully Qualified Domain Name exists for the vCenter Operations for Horizon servers.

B.
Verify that the certificate on the vCenter Operations for Horizon server is recognized by the View server.

C.
Login with a domain admin account, instead of a local account on the View server.

D.
Verify that the proper port is open between vCenter Operations for Horizon and the View server.