Carrello
| Cause | Description | |-------|-------------| | Corrupted TPM state | TPM key attestation fails | | Outdated or missing driver | Smart card / security key driver issue | | Group Policy misconfiguration | Invalid certificate or key usage settings | | Expired or revoked certificate | Smart card logon certificate expired | | Damaged key storage provider (KSP) | Windows CNG database corruption | | Antivirus or security software | Blocking access to key storage |
If none of the above works, the issue may be server-side. Provide your IT team with the following information: error while validating security key error code 233
If you get this error while connecting to a work/school Wi-Fi: | Cause | Description | |-------|-------------| | Corrupted