| Event Source: | Microsoft-Windows-CertificationAuthority |
| Event ID: | 133 (0x85) |
| Event log: | Application |
| Event type: | Error |
| Event text (English): | The certification authority (CA) failed to encode a server extension required to validate a certificate or certification revocation list (CRL). The CA will not issue any certificates or CRLs that do not contain this extension. To correct this problem, use the Certification Authority snap-in to remove any Unicode characters in the URLs for the AIA, CDP, and IDP extensions, then restart the CA. |
| Event text (German): | The server extension required to verify a certificate or revocation list could not be encoded by the certification authority. The certification authority does not issue certificates or revocation lists that do not contain this extension. To resolve this issue, use the Certification Authority snap-in to remove all Unicode characters in the URLs for the AIA, CDP, and IDP extensions, and then restart the Certification Authority. |
Description
No description has been written for this yet.
Safety assessment
The security assessment is based on the three dimensions of confidentiality, integrity and availability.
No description has been written for this yet.
Microsoft rating
Microsoft evaluates this event in the Securing Public Key Infrastructure (PKI) Whitepaper with a severity score of "Low".
Related links:
- Overview of Windows events generated by the certification authority
- Overview of audit events generated by the Certification Authority
External sources
- Securing Public Key Infrastructure (PKI) (Microsoft)
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