The Microsoft Exchange Unified Messaging service on the Mailbox server has received an incoming call with a diversion header with format "{0}" that isn't valid.
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a request to disconnect the user "%1" ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a SIP header that isn't valid from an ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a SIP header that isn't valid from an ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received an inbound call that has an invalid extension ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received an incoming call with a diversion header ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has {0} bytes of free disk space. The minimum space ...
The Microsoft Exchange Unified Messaging service on the Mailbox server hasn't been configured to accept more than {0} concurrent ...
The Microsoft Exchange Unified Messaging service on the Mailbox server is initiating an outgoing call. The calling party ...
The Microsoft Exchange Unified Messaging service on the Mailbox server is sending this %1 in response to the Test-UMConnectivity ...