Hi there, before I purchase sbs 2003 premium Im thinking which licensing mode I'll be going with. I will have more users than devices with alot of them being resource users for exchange (booking resources etc... ) and so Im thinking of going per device so I can maximise users. Trouble is Im not too sure about if my users try and access OWA from a remote computer that hasn't got a device CAL... would 'anonymous' devices need a CAL to access OWA? thanks Mike