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WININET_E_SEC_CERT_REV_FAILED
WININET_E_SEC_CERT_REV_FAILED means that WinINet could not complete certificate revocation checking. It is different from a confirmed revoked certificate: the client could not obtain a definitive revocation result.
Typical causes
- CRL or OCSP endpoints are unavailable from the client network.
- A proxy blocks or requires authentication for the revocation lookup.
- Certificate-chain or system trust configuration prevents the needed check.
Risk-aware handling
Do not treat this as harmless in a security-sensitive client. Decide explicitly whether the application must fail closed, can use a temporary controlled exception, or needs an infrastructure correction. A broad disablement of revocation checking can accept a certificate whose revocation status matters.
Microsoft: InternetErrorDlg certificate handling · Microsoft: WinINet error messages
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