Ohh, check it out .. Mainstream Support Retired: 14/04/2009 TODAY!
http://support.microsoft.com/lifecycle/Default.aspx?p1=1773
As for Exchange Server 2003 Service Pack 2 .. Support ends 12 months after the next service pack releases or at the end of the product's support lifecycle, whichever comes first .. that is today then!
So Exchange 2003 now goes in to extended support until 08/04/2014
3. What is the difference between Mainstream Support, Extended Support, and online self-help support? (http://support.microsoft.com/gp/lifepolicy)
Support provided
Mainstream Support phase
Extended Support phase
Paid support (per-incident, per hour, and others)
X
Security update support
Non-security hotfix support
No-charge incident support
Warranty claims
Design changes and feature requests
Requires extended hotfix agreement, purchased within 90 days of mainstream support ending.
Product-specific information that is available by using the online Microsoft Knowledge Base
Product-specific information that is available by using the Support site at Microsoft Help and Support to find answers to technical questions
Note A hotfix is a modification to the commercially available Microsoft product software code to address specific critical problems.
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