The Microsoft Exchange Unified Messaging service on the Mailbox server failed to register for directory change notifications on the 'UM AutoAttendant' container. The server will retry this operation after %1 minutes. Additional information: %2
The Microsoft Exchange Unified Messaging service on the Mailbox server failed to deliver the MWI notification '%1/%2 (unread/read)' ...
The Microsoft Exchange Unified Messaging service on the Mailbox server failed to process the message with header file "%1" ...
The Microsoft Exchange Unified Messaging service on the Mailbox server failed to register for directory change notifications ...
The Microsoft Exchange Unified Messaging service on the Mailbox server failed to register for directory change notifications ...
The Microsoft Exchange Unified Messaging service on the Mailbox server failed to register for directory change notifications ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has a maximum call limit of {0}. The current calls ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has been configured to automatically use the Lync ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has been configured to automatically use the Lync ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has been configured to use the Lync Server A/V Edge ...