The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an argument that's missing or not valid: "{0}".
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 ...
The Microsoft Exchange Unified Messaging Service on the Mailbox server has been configured to use the Lync Server A/V Edge ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an argument that's missing or not ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an error while parsing a user interface ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an error while parsing the user interface ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has ended a call with ID "%1" because the user at ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a call from "%1", with user extension ...