Obtaining certificate chain for xdmua.wireless.labs.att.com, one moment while we download the xdmua.wireless.labs.att.com certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for xdmua.wireless.labs.att.com, one moment while we re-check the xdmua.wireless.labs.att.com certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for xdmua.wireless.labs.att.com failed
Sorry, the request for xdmua.wireless.labs.att.com could not be completed...
We could not load the certificate for xdmua.wireless.labs.att.com, 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.