.net webservice + Kerberos

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webservice

Hello

I have a big problem and hope somebody can give me a tip...

I have to consume a 3rd party Webservice (not a webrequest!) which I include to visual Studio by WSDL.

This service needs to authenticate by kerberos. So far so good but the Service answers to the call of a methode with 500 and submits in the SOAP-Fauld the 401.

So the communication stops and there is no challange<->request to start kerberos-auth...

My Aproache is now to submit already at the first communication the Kerberos ticket like it would work on httpwebrequests where I only have to set a AuthenticationManager.CredentialPolicy and force the methode ShouldSendCredential to return true

thx and regards Robert