http://developers.de/blogs/andreas_erben/archive/2008/05/05/typical-setting-of-ioports-in-biztalk-rfid-typisches-setzen-von-ioports-in-biztalk-rfid.aspx(German version below / deutsche Version weiter unten) When wanting to set an IOPort in BizTalk RFID, to for example switch on a specific light connected to an RFID reader, you basically deal with bits and bytes that you set somewhere. There are typicallyenCommunityServer 2008 SP1 (Build: 30619.63)