No support and no updates of any kind, including security updates. Exchange Server
Data as of Jun 8, 2026 · About this data
Support milestones
| Milestone | Date | Add to calendar |
|---|---|---|
| Released | Sep 28, 2003 | |
| Mainstream support ended | Apr 14, 2009 | |
| Extended support ended | Apr 8, 2014 |
Editions · 2
A release's end date is when a superseding update became available — not an end of support. The product's actual support dates are the milestones above.
| Release | Start | Release end | Status |
|---|---|---|---|
| Original Release | Sep 28, 2003 | May 25, 2005 | No support and no updates of any kind, including security updates. |
| Service Pack 1 | May 25, 2004 | Jan 8, 2008 | No support and no updates of any kind, including security updates. |
| Service Pack 2 | Oct 19, 2005 | Apr 8, 2014 | No support and no updates of any kind, including security updates. |
| Release | Start | Release end | Status |
|---|---|---|---|
| Original Release | Sep 28, 2003 | May 25, 2005 | No support and no updates of any kind, including security updates. |
| Service Pack 1 | May 25, 2004 | Jan 8, 2008 | No support and no updates of any kind, including security updates. |
| Service Pack 2 | Oct 19, 2005 | Apr 8, 2014 | No support and no updates of any kind, including security updates. |
Exchange Server releases
Exchange Server 2003Exchange Server 2007Exchange Server 2010Exchange Server 2013Exchange Server 2016Exchange Server 2019
Next version Exchange Server 2007 →
6 records in Microsoft's export for this product. Dates can change, and Microsoft occasionally revises a previously published one — this product's own lifecycle page is always authoritative. Back to Microsoft Lifecycle Lookup.