The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to read the Lync Server pool objects. Verify that Lync Server is deployed in this Active Directory forest and you're a member of the RTCUniversalServerReadOnlyGroup group or have sufficient rights to read this Active Directory container object.
The Microsoft Exchange Unified Messaging service on the Mailbox server updated the custom prompt cache for UM dial plan "%1". ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to download the speech grammar file '{0}' ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to read information from the Active Directory ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to read information from the Active Directory ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to read the Lync Server pool objects. ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to read the permissions on the Exchange ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to resolve the caller ID "%1" to a user ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to resolve the caller ID "%1" to a user ...
The Microsoft Exchange Unified Messaging service on the Mailbox server wasn't able to retrieve the custom prompt data for ...