We feel that it is important to keep you up to date on variables that could affect your business.
End of mainstream support for Exchange 2003 occurs April 14, 2009, meaning that bug fixes and service packs end. Security updates will continue until 2014, but only if Microsoft deems the flaw to be critical.
If you need assistance planning and performing the migration, please let us know how we can help you.
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Products Released
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General Availability Date
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Mainstream Support Retired
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Extended Support Retired
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Service Pack Retired
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Notes
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Exchange Server 2003 Enterprise Edition
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9/28/2003
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4/14/2009
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4/8/2014
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5/25/2005
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Exchange Server 2003 Service Pack 1
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5/25/2004
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Not Applicable
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Not Applicable
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1/8/2008
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Exchange Server 2003 Service Pack 2
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10/19/2005
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Review Note
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Review Note
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Support 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 http://support.microsoft.com/lifecycle/#ServicePackSupport .
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Exchange Server 2003 Standard Edition
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9/28/2003
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4/14/2009
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4/8/2014
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5/25/2005
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