RE: it is not displaying the sites/domains :(
Did you install hotfix 3.3 on the secondary hc server?
If so try re-applying the hotfix on both machines, make sure all services are running etc.
Also as a last resort disable your firewall add a domain if it works then you know its your firewall.
We had an issue with hc not adding secondary dns, ip specified in the registry was incorrect.
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