Dynamics 365 - Error in sample code (WsdlBasedProxies) fpr C#

[MSCom]

Hi all,

I got always the error "An error occurred when verifying security for the message." for the sampe Code of AD.
I have added the Service reference correctly and changed the constants of the Connections.

Despite of that I always getting this error message.

Can me help anybody ?

Thanks in advance.

Tristan Roppel