http://blogs.technet.com/adfs/archive/2007/08/10/enabling-debug-logging-for-claims-aware-applications.aspxPlace the following in your applications web.config file. Place this after the </system.net> section of the file. <system.diagnostics> <switches> <add name="WebSsoDebugLevel" value="15" /> </switches> <trace autoflush="true"en-USCommunityServer 2.1 SP1 (Build: 61025.2)