http://blogs.technet.com/blairn/archive/2005/11/01/NetFX-InstallerTechnologyPrimer.aspxUpdates for the the .NET Framework 1.1 come in two flavors: One set of packages for 32-bit x86 versions of Windows Server 2003 and a different package for everything else. Similarly, updates for the .NET Framework 1.0 come in two flavors as well: Oneen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/blairn/archive/2005/11/01/NetFX-InstallerTechnologyPrimer.aspx#426334Tue, 25 Apr 2006 23:23:18 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:426334Update Deployment for Visual Studio and the .NET FrameworkI've blogged previously about how confusing our servicing story is for .NET Framework 1.1 on Windows Server 2003 and 64-bit versions of Windows XP and Windows Server 2003. Now there's a new KB article in the Microsoft Knowledge Base to help customers