Florin Lazar - Consistency Checkpoint : clustershttp://blogs.msdn.com/florinlazar/archive/tags/clusters/default.aspxTags: clustersen-USCommunityServer 2.1 SP1 (Build: 61025.2)Using Windows XP SP2, Windows Server 2003 SP1 and MSDTC on Clustershttp://blogs.msdn.com/florinlazar/archive/2005/04/27/using-windows-xp-sp2-windows-server-2003-sp1-and-msdtc-on-clusters.aspxWed, 27 Apr 2005 13:27:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:412482florinlazar2http://blogs.msdn.com/florinlazar/comments/412482.aspxhttp://blogs.msdn.com/florinlazar/commentrss.aspx?PostID=412482http://blogs.msdn.com/florinlazar/rsscomments.aspx?PostID=412482<P><FONT face=Tahoma size=2>In order to allow Windows XP SP2 or Windows Server 2003 SP1 to talk to a remote MSDTC located in a cluster, the security level for MSDTC needs to be set to "Incoming Caller Authentication Required". (see </FONT><a href="http://blogs.msdn.com/florinlazar/archive/2004/06/18/159127.aspx"><FONT face=Tahoma size=2>http://blogs.msdn.com/florinlazar/archive/2004/06/18/159127.aspx</FONT></A><FONT face=Tahoma size=2> for more details on MSDTC security levels).</FONT></P><img src="http://blogs.msdn.com/aggbug.aspx?PostID=412482" width="1" height="1">MSDTCclusters