Technical Reference
Applies To: Windows Server 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2
The following provide foundational information for RRAS:
Supported Number of VPN Connections in Routing and Remote Access
Routing and Remote Access Service Management Pack Guide for System Center Operations Manager 2007
The following topics are still relevant to Windows Server 2008 and Windows Server 2008 R2, although they were written for Windows Server 2003. The topics have not yet been updated to include new features that have been added in those newer versions of Windows.