Users Are Unable to Send and Receive IM/Multimedia Messages

Multiple Choice

Users are unable to send and receive IM/Multimedia messages. The Avaya IX™ Workplace Client displays the following error message: The messaging service is not currently available. Viewing the ps.log, you find the following log entry: [LDAP:error code 32 - No Such Object]; remaining name 'ou=USERS,dc=com'. What is causing this problem?

A) The maximum number of licensed subscribers has been reached.
B) The maximum number of subscribers has been reached.
C) The incorrect LDAP User Search Base parameter is in the Client REST Authentication configuration of Avaya Presence Snap-In.
D) The incorrect Authentication Mechanism parameter is in the Client REST Authentication configuration of Avaya Presence Snap-In.