http://blogs.msdn.com/b/carlosag/archive/2008/09/10/modifying-iis-7-0-administration-config-using-javascript-and-ahadmin.aspxAHADMIN is the COM API that IIS 7.0 uses for reading and writing its configuration system. One of the not so well known features is that you can also use the same API to manage Administration.config by calling the SetMetadata method and specifying thaten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)