How to Delete Exchange Mail Queue

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Last Review: August 18, 2010
Product(s): Exchange 2007 / 2010

If there is a large message preventing the Exchange Transport service from running or the physical MAIL.QUE file has become too large from SPAM, it is often best to create a new mail queue and delete the previous.

  1. In Services, stop the Microsoft Exchange Transport Service.

  2. In Windows Explorer, go to C:\Program Files\Microsoft\Exchange Server\Transport Roles\Data\Queue and rename the folder to Queueold.

  3. Start the Microsoft Exchange Transport Service and test sending and receiving internal and external e-mail.

  4. After testing, delete Queueold folder.