http://blogs.msdn.com/joncole/archive/2007/03/23/be-consistent-in-your-configuration.aspxI recently worked with a customer using BizTalk 2004. They were experiencing some very odd behavior where a WebService client would call into a BizTalk WebService and experience a long wait before the client finally got a timeout error. The timeout happenden-USCommunityServer 2.1 SP1 (Build: 61025.2)