Hi,
We have saml 2.0 relying party configured as a partner to ADFS 2.0. Also we Custom/Passive STS developed using .net framework 3.5 / WIF SDK added as CP for ADFS. We are trying to automate the home realm discovery page for ADFS to use custom
STS ADFS is throwing the following error/exception.
Microsoft.IdentityServer.Web.RequestFailedException: MSIS7012: An error occurred while processing the request. Contact your administrator for details. ---> System.InvalidOperationException: MSIS7000: The sign in request is not compliant to the WS-Federation
language for web browser clients or the SAML 2.0 protocol WebSSO profile.
The following URL is used to automate the HRD in ADFS
https://<ADFS Host Name> /adfs/ls/?wa=wsignin1.0&wtrealm=<SAML 2.0 RP Identifier> &whr=<Custom STS-CP Identifier>
Can you please assist?