Which two pre-requisites are necessary for installing Enterprise Vault Operations Manager? (Select two.)
A. the Active Directory account used for monitoring requires an Exchange Mailbox
B. the Active Directory account used for monitoring must have the password set to "Never Expire"
C. the Active Directory account used by Operations Manager must be part of the Exchange Administrators group
D. configure the SMTP server to relay monitoring messages from the Enterprise Vault server
E. Enterprise Vault services must exist on the server you wish to install Operations Manager on