Obtaining certificate chain for citrix.norwich-school.org.uk, one moment while we download the citrix.norwich-school.org.uk certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for citrix.norwich-school.org.uk, one moment while we re-check the citrix.norwich-school.org.uk certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for citrix.norwich-school.org.uk failed
Sorry, the request for citrix.norwich-school.org.uk could not be completed...
We could not load the certificate for citrix.norwich-school.org.uk, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Revoked certificates can't and should not be trusted, these certificate will cause errors like "NET::ERR_CERT_REVOKED" in browsers and expose a security risk.