The Surface Pro 3 TPM Update tool updates the firmware for the TPM on a Surface Pro 3 to address the following issue:
ADV170012 Vulnerability in TPM could allow security feature bypass
For more information, see Security issue for Trusted Platform Module (TPM) on Surface devices.
Caution
- We strongly recommend that you back up all data on the Surface Pro 3 by using OneDrive or another backup method as a precaution before using the TPM update tool.
- Follow all steps exactly, or the process may result in loss of data.
- If data loss does occur, you will have to download the Surface Recovery Image to reinstall Windows.
Install the Surface Pro 3 TPM Update tool and create a bootable USB flash drive
- Download Microsoft_Surface_Pro_3_Tpm_Update_Tool_Setup.msi, and then follow the installation instructions.
- Attach a removable USB flash drive that has at least 500 MB of available space.
Note You must use a USB flash drive, not a USB hard disk drive.
- Right-click the Surface Pro 3 TPM Update tool, select Run as administrator, and then follow the steps that are presented to create the bootable USB flash drive.
Update the Surface Pro 3 device
Note The following steps are specific to using BitLocker. If you are using a third-party encryption tool, contact that software manufacturer for the appropriate steps to disable encryption.
- Click Start.
- Open Windows PowerShell as an administrator.
- Run the following command:
Suspend-Bitlocker -MountPoint C: -RebootCount 0
- Shut down Windows to turn off the Surface device.
- Press and hold the Power+Volume Up keys to start the Surface Pro 3 into the UEFI environment. (You can release the keys after the device starts.)
- After the device enters the UEFI environment, select Delete all secure boot keys under Secure Boot Control.
- Select Yes.
- To the right of Secure Boot Control, select Enabled.
- When you are prompted, select Disabled.
- Select Exit setup.
- Select Yes when you are prompted to save the configuration and reset the device. The device restarts.
- After Windows has fully restarted, shut down the system again to turn off the Surface Pro 3.
- Insert the bootable USB flash drive that you created by using the Surface Pro 3 TPM Update Tool in the previous procedure.
- Press and hold the Power+Volume down keys to start the Surface Pro 3 from the USB flash drive into the UEFI environment. (You can release the keys after the device starts).
- Follow the instructions that are displayed to update your Surface Pro 3 TPM firmware.
- After the update is finished, you receive an "fs1:>" command prompt. Remove the USB flash drive.
- Type exit, and then press Enter to restart the Surface Pro 3.
Configure the Surface Pro 3 device after the TPM firmware update
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Turn on the Surface Pro 3, start Windows, and then log on as necessary.
Note If Windows Hello was enabled for logging on by using a PIN, this setting is no longer functional because of the TPM update process. Therefore, you must use the password that was configured for this account to log on. (See step 14 to re-enable the Windows Hello PIN options.)
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Click Start.
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Type tpm.msc, and then press Enter to open the TPM Management snap-in.
Note If TPM.msc reports that compatible TPM cannot be found or that TPM is in reduced functionality mode, restart Windows. After the restart, run TPM.msc again to verify that the state of TPM is "Ready for use."
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Shut down Windows to turn off the Surface Pro 3.
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Press and hold the Power+Volume Up keys to start the Surface Pro 3 into the UEFI environment. (You can release the keys after the device starts.)
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To the right of Secure Boot Control, select Disabled.
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Select Enabled.
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Select Install all factory default keys, and then select the Windows & 3rd-party UEFI CA (Default) option.
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Select Exit setup.
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Select Yes when you are prompted to save the configuration and reset. The Surface Pro 3 should restart into Windows.
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After Windows fully restarts, click Start.
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Type manage bitlocker, and then press Enter when the Manage Bitlocker icon is selected in the Search menu.
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Select Resume protection.
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If your Windows Hello PIN is not working after the update (that is, the Windows logon screen reports that your PIN is no longer available because of a change in security settings), follow these steps to recover the PIN.
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Restart any other services that rely on TPM functionality.
Verify the update
To verify that the tool has updated the TPM firmware, follow these steps:
- Click Start.
- Type tpm.msc, and then press Enter.
- Under TPM Manufacturer Information, check the Manufacturer Version number for either of the following:
- Previous firmware: 5.0.1089.2
- New firmware: 5.62.3126.2