Lightswitch: Load operation failed for query 'GetAuthenticationInfo'. The remote server returned an error: NotFound

Question

I'm currently creating a small silverlight application for testing, to see if it can works with other projects.

In debug, everything is working, but once I deploy it to my local IIS Server, I got this error:

Load operation failed for query 'GetAuthenticationInfo'. The remote server returned an error: NotFound.

I've done a lot of research on the net, but nothing seems to resolve my problem.

• I've the anonymous mode correctly enabled(and all other not) I've
• done a clean publish on my IIS(7.5) from visual studio
• My IIS has the two IIS lightswitch extensions, installed through the WPI
• I'm not using the beta version

The application is just displaying some list, I've the windows auth set.

I've tried to publish as a Desktop application, as a Web application for the Client configuration, and Application serverconfiguration set to local or IIS Server, it's always the same problem(the goal is to have a two tier application(database - application), but hosted in an htm file).

I can't find what is going wrong, My IIS is just fresh installed with all components

Answer 1

Try restoring .NET Framework 4 at first, before diving into the problem deeper.

This solved the problem in my case

Answer 2

check that if you ".net framework 4.5 advanced service->WCF service -> HTTP activation" is checked or not , I solved it by this way.