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mediumAzureAttestationotherlearn_purview · Sep 12, 2026
AIK enrollment fails with 0x80070490 on Microsoft Pluton (EK issuer name mismatch) - blocks Call of Duty secure attestation, latest OEM BIOS does not help - Microsoft Q&A
Users experiencing issues with AIK enrollment on Microsoft Pluton, specifically with the Call of Duty secure attestation, despite having a healthy TPM and up-to-date firmware. This issue impacts both Azure Attestation and game vendor diagnostic tools.
“My Microsoft Azure Attestation (MAA) check fails, which blocks Call of Duty (RICOCHET) secure attestation. My TPM is locally healthy and fully provisioned, and my OEM firmware is already the newest available for my model. The failure reproduces through Microsoft's own tooling AND through the game vendor's official di…”
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endpoint_securitycloud_security
Audience
adminsecurity_engineer
Environment
cloudon_premises
Classification confidence: 85%
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