Hello, I am trying to set the OWA user preference "composefontname" and "weekstartday" programmatically. They are documented for Exchange 2007: http://msdn2.microsoft.com/en-us/library/aa565370.aspx (composefontname) http://msdn2.microsoft.com/en-us/library/aa564023.aspx (weekstartday) Unfortunately this does not really work the same way as in OWA for Exchange 2003. How can this be done? Thanks in advance Martin