Rules (with static C# routines, such as PolicyChaining, or C# code that adds nodes to the XML), are working fine on XP but not on 2003 (or working on machine and not another). For example, we have a condition of 1=1, which should always fire, but if a static C# routine is found in the actions, then the rules does not fire.

System.Net.WebException: Unable to connect to remote server System.\et.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:80

BizTalk Server 2006 is not available or configured. Verify BizTalk Server 2006 on server xxxxx using management database BizTalkMgmtDb is accessible and configured with a compatible version.

How to use TextWriter to persist to file.

How to initialize an array of objects in C#. Often, we write C# test harnesses to populate some test data based on an object structure (which was ultimately created from an xml structure).

How to add an node to an XML Document (via a C# helper that can be called in an expression shape from an orchestration).