http://developers.de/blogs/damir_dobric/archive/2007/01/07/Dynamic-applying-of-configuration-.aspxUsually by creating of the client proxy for some service, there are two general approaches: Using of configuration file or applying required information programmatically. Additionally, the configuration can be applied by using of MetaDataResolver . InenCommunityServer 2008 SP1 (Build: 30619.63)