This is the built-in help made by Microsoft for the command 'Unblock-Tpm', in PowerShell version 5 - as retrieved from
Windows version 'Microsoft Windows Server 2012 R2 Standard' PowerShell help files on 2016-06-23.
For PowerShell version 3 and up, where you have Update-Help, this command was run just before creating the web pages from the help files.
Resets a TPM lockout.
Unblock-Tpm [[-OwnerAuthorization] <String>] [<CommonParameters>]
Unblock-Tpm -File <String> [<CommonParameters>]
The Unblock-Tpm cmdlet resets a Trusted Platform Module (TPM) lockout. TPM locks itself to prevent tampering or attack. This is called a lockout. To end a TPM lockout, you
must provide a valid owner authorization value. You can enter an owner authorization value or specify a file that contains the value. If you do not provide a value, the
cmdlet attempts to use a value stored in the registry.
For more information on TPM, see the Trusted Platform Module Technology Overview in the Technet library at http://technet.microsoft.com/en-us/library/jj131725.aspx.
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Online Version: http://go.microsoft.com/fwlink/p/?linkid=306673
Clear-Tpm
Get-Tpm
Initialize-Tpm
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Example 1: Reset a lockout
PS C:\>Unblock-Tpm -OwnerAuthorization "vjnuW6rToM41os3xxEpjLdIW2gA="
This command resets a TPM lockout. The command specifies the owner authorization value vjnuW6rToM41os3xxEpjLdIW2gA=.