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I have a WCF service on machine domain1\server1 that is accessible from a client on the machine domain2\clientA but not from machine domain2\clientB. From B I receive the error "the caller was not authenticated by the service (mscorlib, System.ServiceModel)".

The user account domain2\username is the same and this account has the same rights on the clients A and B; A and B are comparable machines.

The installation of the client software on A is via click-once deployment on Sharepoint succeeded on both clients A and B.

Has anybody an opinion on the cause of the difference?
What kind of configuration on domain1\server1 could be involved?

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1 Answer

A net use connection existed between A and te server. I discoverd it because it stopped working when I changed the password. After adding a windows credential under user accounts credential manager it started to work.

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