The Microsoft BizTalk ESB Toolkit .msi does not register the itinerary designer by default. Post installation, the user needs to select Install itinerary designer extensions under Start> All Programs> Microsoft BizTalk Server 2010 ESB toolkit.
Note: I only have premium installed .
Opening EDI Guidance (For ESB) From Codeplex
itinerary designer fails
Biztalk 2010 Beta