[ADFS] [CLAIMS] could not establish trust relationship for the ssl/tls secure channel

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Posted on by Twbrck

Hei all,

I tried to configure our Dynamics 365 ( 8.2 ) for Claims Authentication.

But if I try to Add the Trusted Party Side in the ADFS with the URL https://crmint.contoso.com/federationmetadata/2007-06/federationmetadata.xml I get an error in the ADFS which says "could not establish trust relationship for the ssl/tls secure channel" .

Strangly, if I change the internal DNS Entry ( crmint.contoso.com ) to the external DNS Entry ( crm.contoso.com ), the Setup allows me to go on without an error.

- The domaincertificate is on both, ADFS and CRM Server.

- I tried serveral server and service restarts

- The crm service user and the adfs service user have full access to the certificate

- the certificate is valide

Maybe someone here has a clue, how to solve the problem.

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Twbrck on at

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RE: [ADFS] [CLAIMS] could not establish trust relationship for the ssl/tls secure channel

The Problem was due to missing DNS Entries in the Hostenviroment