Windows 10 ARM - TPM Error when starting in Parallels 17

Discussion in 'Parallels Desktop on a Mac with Apple silicon' started by SWANDY, Sep 2, 2021.

  1. SWANDY

    SWANDY Pro

    Messages:
    316
    I had a Windows 10 ARM VM. Had it updated to Windows 11 ARM without any hitches. I had saved a backup of the Windows 10 ARM VM before doing the update. I decided to put the Win 10 ARM VM back on my computer along with my Windows 11 ARM VM. But now when I start the Windows 10 ARM VM the following TPM error message starts:
    Windows 10 is configured to start with TPM enabled but the TPM-related info is missing. What do you want to do with Windows 10?
    I can click Start Anyway, but each time I shut down the Windows 10 VM and start it again, the same message comes up.
    Not sure what to do to clear this.
    Thankss
     
  2. SamS4

    SamS4 Hunter

    Messages:
    123
  3. mmika

    mmika Pro

    Messages:
    488
    Try to remove/re-add TPM to VM configuration.
     

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