This can happen after a hardware repair, TPM reset, or operating system reinstall.
Your device’s security chip (TPM) is reporting a different endorsement key than what our system has on record.
Here’s a helpful, user-friendly message you can display when a TPM endorsement key mismatch occurs, depending on your audience (end user, IT admin, or developer). Security Check Failed – TPM Key Mismatch
The TPM’s current endorsement key (EK) does not match the EK stored in the database.
The New Host Tpm Endorsement Key Doesn't Match The One Stored In The Db [top] May 2026
This can happen after a hardware repair, TPM reset, or operating system reinstall.
Your device’s security chip (TPM) is reporting a different endorsement key than what our system has on record.
Here’s a helpful, user-friendly message you can display when a TPM endorsement key mismatch occurs, depending on your audience (end user, IT admin, or developer). Security Check Failed – TPM Key Mismatch
The TPM’s current endorsement key (EK) does not match the EK stored in the database.