Access to an ASP.NET website via multiple authentications

Background Is it possible to secure a website using Windows Identity Foundation (WIF) without interfering with an existing authentication method? e.g. – Could a website secured using an ASP.NET membership provider, with all the code and configuration that entails, be layered with additional code and configuration to allow a precursory authentication with a trusted Identity…


ADFS 2.0: Single sign-on when a website references remote images

I recently had an issue where a website, secured with Active Directory Federation Services 2.0 (ADFS), was referencing images stored in another website, secured by the same instance of ADFS. This meant that if a user logged into the main website without going first to the website hosting the images, they would not see the…


BizTalk SSO stops working after installing Visual Studio 2010

After installing Visual Studio 2010 on my Windows Server 2008 R2 box with BizTalk Server 2009 I got the following error when trying to deploy or access my BizTalk artefacts: “Could not retrieve transport type data for Receive Location ‘ABC’ from config store. Primary SSO Server ‘XYZ’ failed. Could not contact the SSO server ‘XYZ’….