Error While Validating Security Key Error Code 233 -

HKLM\SOFTWARE\Microsoft\Cryptography\Defaults\Provider\Microsoft Smart Card Key Storage Provider Type = 0 (REG_DWORD) Run these in an elevated PowerShell:

Restart-Service -Name "Smart Card Device Enumeration Service" Restart-Service -Name "Certificate Propagation" Restart-Service -Name "KeyIso" # CNG Key Isolation Remove, wait 10 seconds, reinsert the smart card / USB security key. 4. Scenario-Specific Fixes 🔹 Scenario A: BitLocker TPM validation error Fix – Clear and reset TPM: error while validating security key error code 233

About Eileen Smith

Eileen merges her extensive experience as an educator and professional journalist into her role as Kelser’s Content Manager. She brings a different perspective in translating complex technology ideas into easy-to-understand articles.

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