I'm a free Ubuntu Pro user. I have detached my machine and attached again. The active machines increased to three. But I have two machines attached actually. Can I decrease active machine counts?

  • 1
    The number of machines should change automatically. There is a message when you check your account that says "The number of machines with this token that contacted Ubuntu Pro in the last 24 hours (Beta)" at ubuntu.com/pro/dashboard
    – Terrance
    Commented Mar 1, 2023 at 3:50

2 Answers 2


The Dashboard has a 24-hour window it looks at for number of systems. As long as a system checked in with a token within the rolling 24-hour window it'll show up in that value there. That value doesn't currently update in real-time.


You may use 'sudo pro detach' on a given machine to revoke its Ubuntu Pro subscription.

  • Welcome to the site cerfs21 and thank you for this answer.
    – Sam
    Commented Jun 10, 2023 at 16:40

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