Service MSExchangeMailSubmission. Unable to process anything for over 30 minutes. Diagnostic info: Governor: Governor for DatabaseManagerEvent Last run time: <date><time> Next retry interval: <interval>. Current exception: Microsoft.Exchange.Assistants.TransientServerException
at Microsoft.Exchange.Assistants.Util.CatchMeIfYouCan(CatchMe function)
at Microsoft.Exchange.Assistants.Base.CatchMeIfYouCan(CatchMe function)
at Microsoft.Exchange.Assistants.EventDispatcherPublic.DangerousProcessItem(EmergencyKit kit InterestingEvent interestingEvent)
This problem might be due to insufficient disk space on the disk where the queue resides. From a NetApp white paper: "A minimum of 4GB of available space is required on the LUN containing the Message Queue database. If this condition is not satisfied the system will activate a condition known as back pressure”. For more information about back pressure and the options to configure back pressure, see the Microsoft TechNet article on Understanding Back Pressure. To move the queue database and log folders see the link to “Exchange 2007 Queue Database - Moving it”.
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