How do I check that port 443 is available on a MI Listener or MOFW machine?

How do I check connectivity between the agent and the Controller, when monitoring over a firewall? Using Performance Center 12.20 or LoadRunner 12.02

How do I check connectivity between the agent and the MI Listener, when running the LoadRunner agent as a service ? Using Performance Center 12.20 or LoadRunner 12.02

How do I check if Port 443 is open between the MI Listener and the Load Generator that is located over a firewall?

How do I check that the Firewall service was activated on the agent machine?

I need to extract response time data from the mdb file but i do not see the data. Can some one help me with that or is there something different in result settings to make sure the data is stored in mdb file?

While trying to record an application which has video files using MMS protocol in LoadRunner, we have noticed that the recording options are greyed out and the record button is not available. We couldn't find any details in the LR user guide either. Could anyone provide any information on how to use...