The user experience is a little dodgy -- you have to apply for participation in the program to gain access to the page -- but WSUS 3.0 SP1 is now available in Release Candidate form. At the Microsoft Connect site, participants will find the following SP1 builds and documentation:
- WSUS 3.0 SP1 Beta x86 Build
- WSUS 3.0 SP1 Beta x64 Build
- WSUS 3.0 SP1 RC ReadMe
- WSUS 3.0 SP1 RC Pre Release License
- WSUS 3.0 Overview Document
- WSUS 3.0 Operations Guide
- WSUS 3.0 Step by Step Guide

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