New_User_999
Contributor
Contributor

PSC splash screen issue

On opening https://PSC_FQDN/PSC we receive the error: message An error occurred while sending an authentication request to the PSC Single Sign-On server - null description The request sent by the client was syntactically incorrect.

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aaronwsmith
Enthusiast
Enthusiast

I had the same issue.  Took me a while but we finally found the solution ... PSC/SSO certificate expired, and psc-client (which hosts the /psc URL) refused to connect as a result.  In our case, this "ssoserver" certificate was replaced in vCenter 5.5 with a CA-signed version, then during the upgrade to vCenter 6, carried over and ultimately expired.  Wrote a blog explaining the backstory, findings and resolution.  See if this is applicable for you: Troubleshooting Expired PSC Certificates with vSphere 6 | Virtually Understood

Hope this helps!

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