Read the original post here over on The Configuration Manager Team Blog.

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System Center Configuration Manager 2007 SP2, R2 and R3 now supports the Windows 7 SP1 and Windows Server 2008 R2 SP1 operating systems for client installation.  The Configuration Manager console and branch distribution point are supported on these platforms. Windows Server 2008 R2 SP1 is supported for all core and feature-specific site system roles.

The following software update is required to add Windows 7 SP1 and Windows Server 2008 R2 SP1 to the Supported Platforms list:

  • KB 2489044 – Update rollup for System Center Configuration Manager 2007 SP2 to add support for Windows Server 2008 R2 SP1 and Windows 7 SP1 clients
  • KB 977203 – User state migration is unsuccessful on a SCCM 2007 SP1 client or on a SCCM 2007 SP2 client