Exchange Server and Update Rollups Builds Numbers
| Product name | Build number |
| Microsoft Exchange Server 2003 | 6.5.6944 |
| Microsoft Exchange Server 2003 SP1 | 6.5.7226 |
| Microsoft Exchange Server 2003 SP2 | 6.5.7638 |
| Microsoft Exchange Server 2007 | 8.0.685.24 |
| Microsoft Exchange Server 2007 | 8.0.685.25 |
| Microsoft Exchange Server 2007 SP1 | 8.1.240.6 |
| Microsoft Exchange Server 2007 SP2 | 8.2.176.2 |
| Microsoft Exchange Server 2010 | 14.0.639.21 |
Exchange Server 2007 Service Pack 1
| Product name | Buildumber |
| Microsoft Exchange Server Exchange 2007 SP1 | 8.1.240.6 |
| Update Rollup 1 for Exchange Server 2007 Service Pack 1 | 8.1.263.1 |
| Update Rollup 2 for Exchange Server 2007 Service Pack 1 | 8.1.278.2 |
| Update Rollup 3 for Exchange Server 2007 Service Pack 1 | 8.1.291.2 |
| Update Rollup 4 for Exchange Server 2007 Service Pack 1 | 8.1.311.3 |
| Update Rollup 5 for Exchange Server 2007 Service Pack 1 | 8.1.336.1 |
| Update Rollup 6 for Exchange Server 2007 Service Pack 1 | 8.1.340.1 |
| Update Rollup 7 for Exchange Server 2007 Service Pack 1 | 8.1.359.2 |
| Update Rollup 8 for Exchange Server 2007 Service Pack 1 | 8.1.375.2 |
| Update Rollup 9 for Exchange Server 2007 Service Pack 1 | 8.1.393.1 |
Exchange Server 2007 Service Pack 2
| Product name | Build number |
| Microsoft Exchange Server 2007 SP2 | 8.2.176.2 |
| Update Rollup 1 for Exchange Server 2007 Service Pack 2 | 8.2.217.3 |
| Update Rollup 2 for Exchange Server 2007 Service Pack 2 | 8.2.234.1 |
| Update Rollup 3 for Excahnge Server 2007 Service Pack 2 | 8.2.247.2 |
Exchange Server 2010 public Beta and RC
| Product name | Build number |
| Exchange Server 2010 Beta | 14.0.482.20 |
| Exchange Server 2010 RC | 14.0.639.11 |
Exchange Server 2010
| Product name | Build number |
| Microsoft Exchange Server 2010 RTM | 14.0.639.21 |
| Update Rollup 1 for Exchange Server 2010 | 14.0.682.1 |
| Update Rollup 2 for Exchange Server 2010 | 14.0.689.0 |
