http://blogs.msdn.com/jbasilico/archive/tags/Kerberos/default.aspxTags: Kerberosen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jbasilico/archive/2009/04/03/constrained-delegation-with-kerberos-and-ssas-named-instance.aspxSat, 04 Apr 2009 00:26:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:9530975jbasilico1http://blogs.msdn.com/jbasilico/comments/9530975.aspxhttp://blogs.msdn.com/jbasilico/commentrss.aspx?PostID=9530975<P>If you building an environment with Kerberos Constrained Delegation, and have a named instance of Analysis Services, where your DC is running Windows Server 2003, take note.&nbsp; Having learned the hard way this week, there is a hot fix for Windows Server 2003 you'll need to apply before Kerberos will work with the named instance of SSAS.</P> <P>Here's the link to the hotfix KB article: <A href="http://support.microsoft.com/kb/959202" target=_blank mce_href="http://support.microsoft.com/kb/959202">http://support.microsoft.com/kb/959202</A></P><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9530975" width="1" height="1">Analysis ServicesKerberos