Sunday, April 18, 2010

Installing "RIA Services" on IIS 7

To install "RIA Services" in an IS 7.x environment:

1) Download the "RiaServices.msi" file from the Microsoft download page for "WCF RIA Services Release Candidate 2 for Silverlight 4 and Visual Studio 2010".

2) Since you are not expected to have Visual Studio .NET 2010 on the server, it suffices that you only install the assemblies into the GAC. This is done by installing the msi file with these command line swithches:

msiexec /i RiaServices.msi SERVER=TRUE


  1. Another undocumented crap by microsoft, thanks Medhat!

  2. You can walkaround the ria services intallation if you include the assemblies into the bin folder of your application if you don´t have access to the hosting server.

  3. It’s actually documented here: