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ArcSDE Microsoft SQL Server Database Requirements
Supported Database Versions
Supported Operating Systems
Operating System Limitations
Supported Database Versions 
Standard/Enterprise Editions:
Microsoft SQL Server 2000 SP4 (32-bit)
Microsoft SQL Server 2005 SP2 & SP3 (32-bit & 64-bit)
Microsoft SQL Server 2008 Final & SP1 (32-bit & 64-bit)
Express Editions:
Microsoft SQL Server 2005 SP2 & SP3 (32-bit)
Microsoft SQL Server 2008 Final & SP1 (32-bit)
Supported Operating Systems 
| Database |
Supported Operating System(s) |
| Microsoft SQL Server 2000 SP4 (32-bit) |
Windows 2000 SP4 (32-bit) Server, Advanced Server & Datacenter
Windows 2003 SP2 (32-bit) Server Standard, Enterprise & Datacenter
Windows XP SP2 (32-bit) Professional Edition |
| Microsoft SQL Server 2005 SP2 & SP3 (32-bit) |
Windows 2000 SP4 (32-bit) Server, Advanced Server & Datacenter
Windows 2003 SP2 (32 bit) Server Standard, Enterprise & Datacenter
Windows 2008 (32 bit) Server Standard, Enterprise & Datacenter
Windows XP SP2 (32 bit) Professional Edition
Windows Vista (32 bit) Ultimate, Enterprise, Business |
| Microsoft SQL Server 2005 SP2 & SP3 (64-bit) |
Windows 2003 SP2 (64-bit - EM64T) Server Standard, Enterprise & Datacenter
Windows 2008 (64-bit - EM64T) Server Standard, Enterprise & Datacenter |
| Microsoft SQL Server 2008 Final & SP1 (32-bit) * |
Windows 2003 SP2 (32 bit) Server Standard, Enterprise & Datacenter
Windows 2008 (32 bit) Server Standard, Enterprise & Datacenter |
| Microsoft SQL Server 2008 Final & SP1 (64-bit) * |
Windows 2003 SP2 (64-bit - EM64T) Server Standard, Enterprise & Datacenter
Windows 2008 (64-bit - EM64T) Server Standard, Enterprise & Datacenter |
Limitations 
SQL Server 2008
* SQL Server 2008 Spatial Types (Geography and Geometry) are supported with 9.3 SP1, binary supported at 9.3 Final.
Windows Vista and XP
Windows Vista and XP Service Pack 2 is supported for basic testing and application development use only.
It is not recommended for deployment in a production environment.
Windows XP Service Pack 2 is only supported with the Developer Edition of SQL Server.
Windows 64-bit Servers
Enterprise ArcSDE technology is now available as a 64-bit runtime environment.
All ArcGIS Server customers that are current on maintenance will receive the ArcGIS 9.3.1 Update package.
Current ArcGIS Server (ArcSDE) users that have already requested and installed the 9.3 64 bit version may use this Update package.
For those customers that have not requested the 9.3 64 bit DVD, please contact ESRI Customer Service for the full version ArcGIS Server 9.3.1 Enterprise for Windows, which includes the SDE DVD. ArcGIS 9.3.1 full version install does not require ArcGIS 9.3, 9.3 SP1 or 9.3.1 Updates to be applied. International customers, please contact your local distributor.
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