Yesterday, Microsoft released the final version of ESB Toolkit 2.0 (the word ‘Guidance’ has been dropped) which you can download from I have had half an hour today to look at the documentation. A preliminary read seems to suggest that, between the release of the CTP and the final release, Microsoft scrapped the old UDDI resolver and have introduced a completely new version that complies with the UDDI standards and which addresses the issues raised in a blog article which I published earlier this year.See However, please be aware that I need time to properly digest the functionality changes, and won’t be able to do that for another week or so. I will report back when I have had more time to investigate.