http://blogs.technet.com/b/evand/archive/2005/03/30/403101.aspxGerod points out in this blog post that if you install Windows 2003 SP1 onto your Exchange 2003 cluster nodes, you’ll need to install the hotfix in KB.841561 . If you don’t apply this hotfix, users will not be able to access OWA (they will receiveen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/evand/archive/2005/03/30/403101.aspx#3087279Fri, 11 Jul 2008 13:03:41 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3087279Random Thoughts &raquo; Blog Archive &raquo; Windows 2003 Service Pack 1 Released!<p>PingBack from <a rel="nofollow" target="_new" href="http://winzenz.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released-2/">http://winzenz.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released-2/</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3087279" width="1" height="1">http://blogs.technet.com/b/evand/archive/2005/03/30/403101.aspx#3087271Fri, 11 Jul 2008 12:48:13 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3087271Random Thoughts &raquo; Blog Archive &raquo; Windows 2003 Service Pack 1 Released!<p>PingBack from <a rel="nofollow" target="_new" href="http://winzenz.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released/">http://winzenz.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released/</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3087271" width="1" height="1">http://blogs.technet.com/b/evand/archive/2005/03/30/403101.aspx#3067331Sat, 07 Jun 2008 09:33:26 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3067331random thoughts &raquo; Windows 2003 Service Pack 1 Released!<p>PingBack from <a rel="nofollow" target="_new" href="http://thought.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released/">http://thought.mobiforumz.com/2005/03/31/windows-2003-service-pack-1-released/</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3067331" width="1" height="1">