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What happens if I clear the TPM on my laptop?
Clearing the TPM resets it to an unowned state. After you clear the TPM, the Windows operating system will automatically re-initialize it and take ownership again. Clearing the TPM can result in data loss.
Should I erase the TPM?
Clearing the TPM (Trusted Platform Module) resets the TPM to an unowned state. It’s something you would do if you were selling your laptop to another person, so the answer is no, you do not need to clear the TPM.
What is a TPM chip used for?
TPM (Trusted Platform Module) is a computer chip (microcontroller) that can securely store artifacts used to authenticate the platform (your PC or laptop). These artifacts can include passwords, certificates, or encryption keys.
Does Windows 10 require TPM?
TPM 2.0 and UEFI firmware is required. Windows 10, version 1507 (End of Life as of May 2017) only supported TPM 2.0 for Credential Guard.
What does clearing TPM mean?
Description. The Clear-Tpm cmdlet resets the Trusted Platform Module (TPM) to its default state. A reset removes the owner authorization value and any keys stored in the TPM. You can enter an owner authorization value or specify a file that contains the value.
How is the TPM used to protect certificates?
The TPM can be used to protect certificates and RSA keys. The TPM key storage provider (KSP) provides easy, convenient use of the TPM as a way of strongly protecting private keys. The TPM KSP can be used to generate keys when an organization enrolls for certificates, and the KSP is managed by templates in the UI.
What are the main features of a TPM?
One of the main features of a TPM is generating keys and using those keys to attest facts about the TPM. Instead of storing keys directly, TPMs have secret values called “seeds” that never leave the TPM and persist through reboots.
How can I verify that my TPM key is trusted?
Use the Windows PowerShell cmdlet, Confirm-CAEndorsementKeyInfo, to verify that a specific TPM device is trusted for attestation by CAs. There are two options: one for verifying the EKCert, and the other for verifying an EKPub.
Where is the TPM located on a computer?
What is TPM? A TPM is a chip that lives on your computer’s motherboard. It’s a dedicated processor that handles encryption, holding part of the secret key you need to decrypt data on your device and access services.