https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/74468.aspxTue, 24 Jan 2012 13:25:33 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:74468michaelr5240https://www.infopathdev.com:443/forums/thread/74468.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=74468Hi Everybody, Sharepoint 2007, C# form with a web reference to the sharepoint lists web service. This forms works well for 99% of the people in our organization but a few get an exception from the .Net code which invokes the service call. This is the exception message: Item has already been added. Key in dictionary: 'path' Key being added: 'path' And the cause of this is that somehow two environment variables of the name 'path' with different case are returned in this specific environment. There is a discussion of this problem not in InfoPath context here: http://social.msdn.microsoft.com/Forums/en-US/vstsprofiler/thread/7e0c9a0f-eefb-4319-afc3-c8ce575e6086/ I just don't understand how come there are two 'path' environment variables returned in this environment.. Does anyone have a clue? Thanks, Michael