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Question

LFDSSTS: Configuration "An Error Has Occurred"

asked on July 1, 2022

Hello,

Customer installed SSL WC Certificate and updated their XML Endpoint Utility to reflect the new Cert (Edited the Current Binding) but when they launch the LFDSSTS Configuration Page, the page loads and they get the following error "An Error has occurred"

If they click update the error goes away.  If they refresh the page the error comes back.

They confirm they can hit the updated Forms and Web Client URL outside of the server.

In looking at the WebSTS logs we see the following Critical Error listed:

"STS.Core.Infrastructure.Exceptions.WebSTSException: An error has occurred ---> System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure."

Could this be related the the Service Account used in the XML Endpoint as well as the WebSTS Endpoint?

Appreciate the feedback,

Jeff Curtis

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Replies

replied on July 1, 2022

Hello Sam,

Thanks for the note.  We got it.  Mismatch Cert listed in the STS Endpoint config.

Everything is working now.

Have a Great Fourth :)

Jeff

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replied on July 1, 2022

Which applications XML Endpoint utility? There are a few of them.

Either way, assuming you're not using the LFDS/STS "Alternative Service" that uses client certificate authentication, that error means the STS instance can't establish a TLS handshake with the LFDS service on port 5049. The issue lies with the LFDS cert (potentially expired, STS machine doesn't trust it, etc.).

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