Could not establish secure channel for SSL/TLS with authority



Hi,

I'm working on a Windows Forms application based on .NET Framework 3.5

The application makes webservice calls over SSL using WCF.

Now I'm getting the error "Could not establish secure channel for SSL/TLS
with authority 'pgnscan.pgno.nl' " when calling a web service method.

I can open the wsdl definition over SSL using the same client certificate
without problems in internet explorer.
(https://pgnscan.pgno.nl/pgn-webservice/wsdl/BpokServices_V0.8_scan_complete.wsdl)

I have examined the client certificate and this is ok. Also the client
certificate's root certificate is trusted and ok.

Can someone explain me why am I getting this error?

Thanks in advance,
Peter van Westen

.



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