Medium severityauthentication
Power BI Refresh Error:
Unable to sign in
What does this error mean?
Power BI Desktop cannot sign in — the SSL/TLS certificate revocation check fails. Fix by disabling the revocation check in Options > Security.
Common causes
- 1The SSL/TLS certificate revocation check fails when Power BI Desktop tries to establish a secure connection during sign-in
- 2The error message reads: 'The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel'
- 3Corporate network policies or proxy servers may interfere with certificate revocation list (CRL) lookups
How to fix it
- 1In Power BI Desktop, go to File > Options and settings > Options > Security
- 2Under 'Certification Revocation', disable the certification revocation check
- 3Restart Power BI Desktop and attempt to sign in again
- 4For details on the certificate revocation setting, see the Power BI Desktop certificate revocation documentation