Can't run windows from external hard drive

Discussion in 'General Questions' started by PavelF, Apr 24, 2022.

  1. PavelF

    PavelF Junior Member

    Messages:
    10
    Hi,

    With Parallels 17.1.2 and macOS Monterey, I can no longer run Windows from external hard drive.
    I get message that "Operating system not found". With Windows PC, booting from the same hard drives works perfect.
    Full Access is enabled for Parallels.

    How to troubleshoot the issue?
     
  2. PavelF

    PavelF Junior Member

    Messages:
    10
    I can boot from external drive using nested virtualization, running Hyper-V virtual machine inside Parallels.
    It's strange that I can't boot from Parallels directly
     
  3. GampaA@P

    GampaA@P Pro

    Messages:
    442
    Hello PavelF, Please refer to the knowledge base article to run windows from an external hard disk. Thanks.
     
  4. PavelF

    PavelF Junior Member

    Messages:
    10
    @GampaA@Parallels the article is about running VM from .pvm file from external hard drive.
    I have a different case with external hard drive with installed Windows. I can boot from this drive using Windows PC so there're no issues with drive or Windows. However, when I create Parallels VM and try to boot from external drive, it doesn't work.
     
  5. GampaA@P

    GampaA@P Pro

    Messages:
    442
  6. GampaA@P

    GampaA@P Pro

    Messages:
    442
    Hello PavelF, Is your issue resolved? Thanks.
     

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