Which two statements about troubleshooting installation and upgrade problems are true? (Choose two.)

Which two statements about troubleshooting installation and upgrade problems are true? (Choose two.)
A . A common cause of ESM Server installation problems is the failure to confirm connectivity to WildFire before running the installer.
B . A common cause of Traps endpoint agent installation problems is the failure to configure the SSL option correctly.
C . ESM Server services will shut down if they are not licensed within 24 hours of being started.
D . Use MSIEXEC with appropriate flags to get more logging detail at installation time.

Answer: A,B