Scenario: An existing setup of session recording has stopped working. After investigating, a Citrix Engineer finds that

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Scenario: An existing setup of session recording has stopped working. After investigating, a Citrix Engineer finds that the Session Recording Agent cannot connect to the Session Recording Server. The following error is displayed:
"The underlying connection was closed. Could not establish a trust relationship for the SSL/TLS secure channel. "
Which two issues could cause this error? (Choose two.)

A. The Session Recording server is down or unavailable to accept requests.
B. The sessions are started but a request for a record policy evaluation was NOT made.
C. The server hosting the Session Recording Agent does NOT have a CA certificate.
D. The Session Recording server is using a certificate signed by a CA that the server hosting the Session Recording Agent does NOT trust.