Hi, I have a win 2003 server with Websphere MQ(6.0.2.1) installed, and want to use BizTalk 2006 r2 to communicate with queues on this machine. BizTalk is installed on a separate server. The MQ server is running on x64, and accordning to this it should NOTwork: http://msdn2.microsoft.com/en-us/library/aa561858.aspx However according to this it should work: http://technet.microsoft.com/en-us/library/aa560166.aspx I have 3 jpg:s to show the problem: http://hem.passagen.se/lacky/Slide1.JPG http://hem.passagen.se/lacky/Slide2.JPG http://hem.passagen.se/lacky/Slide3.JPG So: - Is my config sup****ted or not? - If som, how can I manually install "Microsoft.Primary Interoperability Assemblies 2005"? I have searched the internet, but not been able to find the msi.