• http://technet.microsoft.com/en-us/library/dd197454%28WS.10%29.aspx

    also

    http://www.google.com/search?q=clustering+requirements+%22windows+server+2008%22+site%3Atechnet.microsoft.com

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass