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CRYPT_E_VERIFY_USAGE_OFFLINE
The subject-usage verifier could not complete its check because a required server or online resource was unavailable.
What to check for CRYPT_E_VERIFY_USAGE_OFFLINE
- Identify the remote resource required by the policy or usage-verification component.
- Check DNS, proxy, firewall, and service availability from the security context that performs verification.
- Keep this separate from certificate revocation unless the logs show that the unavailable resource is specifically a revocation endpoint.
Microsoft: CertVerifyCertificateChainPolicy
Microsoft: CertVerifyRevocation
Diagnostic interpretation
CRYPT_E_VERIFY_USAGE_OFFLINE has the HRESULT value 0x80092029. AllStat records the condition as “Since the server was offline, the called function was unable to complete the usage check.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the crypt / verify / usage / offline operation.
- Preserve the first failure in the call chain; a later HRESULT can describe cleanup rather than the original crypt / verify / usage / offline condition.
Retry and recovery
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