An unsupported operator was used in the filter. The logical Or (-or) and logical Not (-not) operators are currently not supported.
An unhandled exception occurred while processing message MDB=%1 FID=%2 MID=%3 in function %4. Number of unhandled exceptions ...
An unhandled exception occurred while the UM Worker Process (UMWorkerProcess.exe) was stopping. Exception details follow: ...
An unknown managed default folder type for the Active Directory managed folder {0} was found while processing the mailbox ...
An unrecoverable rule synchronization error (%1) has occurred on mailbox database "%4". The mailbox folder is %2. The distinguished ...
An unsupported operator was used in the filter. The logical Or (-or) and logical Not (-not) operators are currently not supported. ...
An updated version of '{5}' is available for server {2}. The updated version is highly recommended as it provides better ...
An updated version of the Windows Management Instrumentation (WMI) driver '{5}' is available for server {2}. Updating to ...
Anonymous Request received from HostAddress:"%1", HostName:"%2". Invalid Autodiscover site configuration. To fix the problem ...
Another administrator is currently moving the mailbox. You must wait for this operation to complete before moving this mailbox ...