Check this out: http://www.quantumsoftware.

You can download this tool to help you debug orchestrations:http://www.s... You can put an expression shape in your orchestration designer and write some information (by using System.Diagnostics.Debug.Wr... out that will be catched by this tool. For example: System.Diagnostics.Debug.Wr

Read this great article by James Avery at: http://msdn.microsoft.com/m... A must read

I was installing BizTalk on Win XP sp2 machine when I got this message. I didn't understand what it meant. Then I found the solution on the net. Here is the procedure: 1. Start -> Run -> gpedit.msc2. Click Computer Configuration3. Click Administrative Templates4. Click System5. Click Remote Procedure Calls6. Click on RPC Endpoint Mapper Client Authentication7. A new window opens. Enable this service. That's it! Also make sure that your firewall and antivirus are TURNED OFF BEFORE you start...