http://blog.csp.uwa.edu.au/david_glances_blog/archive/2007/11/19/using-multiple-masterpagefiles-in-an-application.aspxWe have an application that we have 2 skins for reflecting the 2 customers of the application. When I went to using skins, I defeined the MasterPageFile in the web.config file rather than switching it programmatically in each page. Unfortunately, thisenCommunityServer 2.1 SP2 (Build: 61129.2)