An unhandled exception was thrown while processing data from client IP address %1. SMTP state transitions: %2. Exception %3.
An unexpected failure occurred while trying to scan the message with ID %1. This message has not been assigned a spam confidence ...
An unhandled exception error has occurred while processing an Active Directory configuration change notification. This error ...
An unhandled exception occurred in the %1. The Service Control Manager will restart the %1 automatically to recover from ...
An unhandled exception was caught in the FFO Reporting Infrastructure. Cmdlet.Organization = '%1'; Cmdlet.HostServerName ...
An unhandled exception was thrown while processing data from client IP address %1. SMTP state transitions: %2. Exception ...
An unknown error occurred while processing a request on server '{0}'. Deserialization of the exception failed. Error: {1} ...
An unknown managed default folder type for the Active Directory managed folder {0} was found while processing the mailbox ...
An unsupported operating system was detected. Exchange Server 2016 Client Access, Mailbox, and Edge Transport server roles ...
An unsupported operating system was detected. Exchange Server 2016 Mailbox, and Edge Transport server roles support Windows ...