Obtaining certificate chain for dal02.home.widgets.um.att.com, one moment while we download the dal02.home.widgets.um.att.com certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for dal02.home.widgets.um.att.com, one moment while we re-check the dal02.home.widgets.um.att.com certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for dal02.home.widgets.um.att.com failed
Sorry, the request for dal02.home.widgets.um.att.com could not be completed...
We could not load the certificate for dal02.home.widgets.um.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.