Another process is currently moving the mailbox. You must wait for this operation to complete before moving this mailbox again.
Another cmdlet extension agent is already registered under the name "{0}". Uninstall that agent, or use a different name. ...
Another federated account with this name already exists. If this user account was recently created, the user has to sign ...
Another instance of Exchange Server 2010 Setup is already running. You must wait for it to complete before starting another ...
Another instance of the troubleshooter is already running on this machine. Two or more instances cannot be run simultaneously. ...
Another process is currently moving the mailbox. You must wait for this operation to complete before moving this mailbox ...
Anti-spam agents are enabled, but the list of internal SMTP servers is empty. If there are any MTAs between this server and ...
Anti-spam agents are enabled, but the list of internal SMTP servers is empty. If there are any MTAs between this server and ...
Any exceptions associated with this repeating appointment will be lost. If any of the exceptions are meetings, the attendees ...
Any new Outlook Web App virtual directories that you create will be named "owa", regardless of the name that's specified. ...