Identity Management Crisis About and around Microsoft products Forefront Identity Manager 2010, ILM 2007 and ADFS

Fellow FIM MVP David Lundell has written a great article about the problem of using wildcards (% and _) in FIM XPath queries (Sets, Groups, Search Scopes etc.). The problem lies in that Microsoft has made the choice to treat these wildcard characters as literals instead of wildcards meaning that installing FIM Hotfix Rollup Package 4.0.3594.0 could break your FIM implementation.

Go ahead and read Davids article:

What the %_ is the deal with wildcards in FIM Queries in the latest hotfix?