Refer to the exhibit.

While a View administrator is configuring the vRealize for Horizon Broker Agent, the error message in the exhibit is displayed.

What two actions should the administrator take to resolve the issue? (Choose two.)

A. Configure the firewall to allow communications

B. Start the VMware vRealize Operations for Horizon Broker Agent service on the virtual desktops

C. Verify that the pairing key is correct

D. Configure DNS to properly resolve the hostnames