Install Required Software
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2, Windows Server Update Services
The following is a list of required software for each operating system that supports WSUS. Ensure that the WSUS server meets this list of requirements prior to your running WSUS Setup. If any of these updates require restarting the computer when installation is completed, you should restart your server prior to installing WSUS.
Windows Server 2003
The following software is required for running WSUS on Windows Server 2003:
Microsoft Internet Information Services (IIS) 6.0. For instruction about how to install IIS, see Install and Configure IIS.
Background Intelligent Transfer Service (BITS) 2.0; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=47251.
Microsoft .NET Framework 1.1 Service Pack 1 for Windows Server 2003; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=35326.
An alternative is to go to Windows Update at https://go.microsoft.com/fwlink/?linkid=47370 and scan for Critical Updates and Service Packs. Install Microsoft .NET Framework 1.1 Service Pack 1 for Windows Server 2003.
Windows 2000 Server
The following software is required for running WSUS on Windows 2000 Server:
Windows 2000 Server Service Pack 4; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=49072.
Microsoft Internet Information Services (IIS) 5.0. For instruction about how to install IIS, see Install and Configure IIS.
Background Intelligent Transfer Service (BITS) 2.0; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=46794.
Database software that is 100-percent compatible with Microsoft SQL. To obtain Microsoft SQL Server 2000 Desktop Engine (MSDE 2000) Release A, go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=47366.
Microsoft Internet Explorer 6.0 Service Pack 1; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=47359.
Microsoft .NET Framework Version 1.1 Redistributable Package; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=47369.
Microsoft .NET Framework 1.1 Service Pack 1; go to the Download Center at https://go.microsoft.com/fwlink/?LinkId=47368.
An alternative is to go to Windows Update at https://go.microsoft.com/fwlink/?linkid=47370 and scan for Critical Updates and Service Packs. Install Microsoft .NET Framework 1.1 Service Pack 1 for Windows Server 2000.