One or more users currently have a mailbox that is hosted by this Exchange server. These mailboxes must be moved to another Exchange server, or the mailboxes must be mail-disabled before deleting this Exchange server.
One or more servers running Exchange 2010 or later exist in your organization. You can't change the Customer Experience Improvement ...
One or more subscriptions in the request reside on another Client Access server. GetStreamingEvents won't proxy in the event ...
One or more UserId parameters are invalid. Make sure that the PrimarySmtpAddress, Sid and DisplayName properties refer to ...
One or more users are currently instant messaging enabled on this server. These users must be moved to a different Instant ...
One or more users currently have a mailbox that is hosted by this Exchange server. These mailboxes must be moved to another ...
One or more users currently use a mailbox database on this server. These users must be moved to a mailbox database on a different ...
One or more virtual memory performance counters are not present in the file {1}. The following counters are missing: {2}. ...
One or more volumes on server {2} is presented by a {0} storage area network. Consider installing {1} to extend performance ...
Online archives are a premium feature and require an Exchange Enterprise Client Access License (CAL) to enable it for the ...