Users who are disabled for Symantec Enterprise Vault 11.x (EV) complain that they see the Enterprise Vault Office Mail App in OWA 2013. What is the possible
reason for it?

A.
EV Office Mail App is installed using EV OWA Extensions

B.
EV Office Mail App is deployed for the Organization level in Exchange

C.
EV Office Mail App is installed using PowerShell commands on the EV server

D.
EV Office Mail App is installed using EVPM and OfficeMailAppManifest.xml