http://msmvps.com/blogs/clustering/archive/2007/04/29/windows-server-codename-quot-longhorn-quot-beta-3-is-out.aspxBut if you want to test failover clustering.... Standard SCSI based clustering will no longer work (yes I tested it, no go). Rocket Division StarWind will be the product you want to use to test Failover Clustering. http://www.rocketdivision.com/wind.htmlenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/clustering/archive/2007/04/29/windows-server-codename-quot-longhorn-quot-beta-3-is-out.aspx#1093576Tue, 07 Aug 2007 20:39:12 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1093576clustering<p>I have used Rocket Division's Windows Server 2008 version and it works wonderful. I love it. </p> <p>Thanks Anton</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1093576" width="1" height="1">http://msmvps.com/blogs/clustering/archive/2007/04/29/windows-server-codename-quot-longhorn-quot-beta-3-is-out.aspx#1014259Tue, 10 Jul 2007 20:12:10 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1014259Anton Kolomyeytsev<p>OK, Rocket Division Software DOES HAVE LH clustering compatible StarWind iSCSI Target. Drop us a message to the info@rocketdivision.com so we&#39;d provide you with a link (still private) to the version 3.5 (or up). Thanks!</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1014259" width="1" height="1">