Most often Active Directory has got all the information needed for handling profiles in MOSS, but sometimes you might need to update the profiles with data from other systems too (ie CRM). So what do you do? The answer of course is BDC. Recently I was working for a customer that had a rather complex solution for handling access control to various sites and systems based on information in the profiles. Part of the information was found in the AD and the rest was found through a web service. So in...