Error - Compatible Trusted Platform Module (TPM) cannot be found on this computer. verify that this computer has 1.2 TPM and its is turned on in the BIOS.

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compatible Trusted Platform Module (TPM) cannot be found  on this computer. verify that this computer has 1.2 TPM and its is turned on in the BIOS.

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Trusted Platform Module (TPM) Management is a new feature set in Windows Vista® and Microsoft® Windows Server® 2008 used to administer the TPM security hardware in your computer. The feature set includes the TPM Management console, and an API called TPM Base Services (TBS). This architecture provides an infrastructure that allows Windows®-based applications to use and share the TPM.

What is a Trusted Platform Module?

A TPM is a microchip designed to provide basic security-related functions, primarily involving encryption keys. The TPM is usually installed on the motherboard of a computer or laptop, and communicates with the rest of the system using a hardware bus.

Computers that incorporate a TPM have the ability to create cryptographic keys and encrypt them so that they can be decrypted only by the TPM. This process, often called "wrapping" or "binding" a key, can help protect the key from disclosure. Each TPM has a root "wrapping" key, called the Storage Root Key (SRK), which is stored within the TPM itself. The private portion of a key created in a TPM is never exposed to any other component, software, process, or person.

Computers that incorporate a TPM can also create a key that has not only been wrapped, but also tied to certain platform measurements. This type of key can only be unwrapped when those platform measurements have the same values that they had when the key was created. This process is called "sealing" the key to the TPM. Decrypting it is called "unsealing." The TPM can also seal and unseal data generated outside of the TPM. With this sealed key and software like Windows® BitLocker™ Drive Encryption, you can lock data until specific hardware or software conditions are met.

With a TPM, private portions of key pairs are kept separated from the memory controlled by the operating system. Keys can be sealed to the TPM, and certain assurances about the state of a system—that define its "trustworthiness"—can be made before the keys are unsealed and released for use. Because the TPM uses its own internal firmware and logic circuits for processing instructions, it does not rely upon the operating system and is not exposed to external software vulnerabilities.




To start the TPM Initialization Wizard and turn on the TPM

  1. Click Start, click All Programs, click Accessories, and then click Run.

  2. Type tpm.msc in the Open box, and then press ENTER.

  3. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue. For more information, see Additional resources at the end of this document.

  4. The TPM Management console is displayed.

  5. In the Actions pane, click Initialize TPM. The TPM Initialization Wizard is started.

    • If the TPM has never been turned on or is currently turned off, the TPM Initialization Wizard displays the Turn on the TPM Security Hardware page. Read the instructions on this page, and then go to step 6 of this procedure.
    • If the TPM is already turned on, the TPM Initialization Wizard displays the Create the TPM owner password page. Continue with Step 2: Set ownership of the TPM later in this guide.
    • If the TPM Initialization Wizard detects a BIOS that does not meet Windows Vista requirements, you cannot continue with the wizard, and you will be alerted to consult the computer manufacturer's documentation for instructions for initializing the TPM.
  6. Click Shutdown (or Restart), and then follow the BIOS screen prompts.



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Question Info

Last updated June 18, 2021 Views 35,086 Applies to: