Deploying SSTP 
This screencast provides detailed information about how you can use three computers to create a test lab with which to configure and test virtual private network (VPN) remote access with Windows Server® 2008 and Windows Vista® with Service Pack 1 (SP1).

Windows Vista Service Pack 1 RC - 5 Language Standalone Package
Windows Vista Service Pack 1 (SP1) RC should be used to update a PC running Windows Vista RTM to Windows Vista SP1.

Deployment Guide for the Prerelease Versions of Windows Vista Service Pack 1
This document provides instructions for planning and deploying Windows Vista Service Pack 1 (SP1) for IT administrators. This guide includes technical information, procedures, and recommendations for installing Windows Vista SP1 in a business or corporate environment.

Windows Vista Service Pack 1 RC for x64 Based Editions - 5 Language Standalone Package
Windows Vista Service Pack 1 (SP1) RC should be used to update a PC running Windows Vista RTM to Windows Vista SP1.

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Windows Vista Service Pack 1 RC Public Availability Program
Windows Vista Service Pack 1 RC is available through Windows Update.

Windows Vista Service Pack 1 RC1 for x64 Based Editions - All Language Standalone Package
Windows Vista Service Pack 1 (SP1) RC1 should be used to update a PC running Windows Vista RTM to Windows Vista SP1.

Windows Vista Service Pack 1 RC - All Language Standalone Package
Windows Vista Service Pack 1 (SP1) RC should be used to update a PC running Windows Vista RTM to Windows Vista SP1.