Hi,
We are using MOSS in a SSO / ADFS environment. When a adfs user trys to access the K2 Management Portal or the administration page we get the following error:
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Unable to cast object of type 'System.Web.Security.SingleSignOn.SingleSignOnIdentity' to type 'System.Security.Principal.WindowsIdentity'.
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yes. did you ever get this to work with SSO and ADFS? I'm doing the same thing and I wondered how you did it. The unable to cast is due to an implicit case it should be SingleSignOnIdentity SsoId = User.Identity as SingleSignOnIdentity; or else it will throw the exception.
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I logged it with K2 support & they came back & said K2 Blackpoint & Blackpearl do not support ADFS & SSO, they only support windows authentication so we're going to use a 1 way trust so we can still use Blackpoint.
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