Microsoft Support Lifecycle

Product support lifecycle information by product family

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Microsoft provides support on the current service pack, and in some cases the immediately preceding service pack, for the products listed below. See the Lifecycle Support Policy FAQ for details on the Service Pack Support Policy. If you have any questions regarding support for a product, please contact your Microsoft representative. If you need technical support, visit the Contact Microsoft Web site.

The information on this page is subject to the Microsoft Policy Disclaimer and Change Notice. Return to this site periodically to review any such changes.

Products ReleasedLifecycle Start DateMainstream Support End DateExtended Support End DateService Pack Support End DateNotes
Microsoft Exchange Server 2003 Enterprise Edition9/28/20034/14/20094/8/20145/25/2005
Microsoft Exchange Server 2003 Service Pack 15/25/2004Not ApplicableNot Applicable1/8/2008
Microsoft Exchange Server 2003 Service Pack 210/19/2005Review NoteReview NoteSupport ends 12 months after the next service pack releases or at the end of the product's support lifecycle, whichever comes first. For more information, please see the service pack policy at
Microsoft Exchange Server 2003 Standard Edition9/28/20034/14/20094/8/20145/25/2005