Microsoft Defender - Invalid License , contact administrator

Naziri-5609 10 Reputation points
2026-01-17T06:23:45.02+00:00

I have a Microsoft family subscription. Microsoft defender works perfectly on my iOS device.

when attempting to sign into ms defender on my kids android device, I get a message saying invalid license , contact administrator.

  1. I have attempted to login to my kids android device ms defender app using my own login details, I go through the Authenticator process successfully and then receive the same message- “ invalid license…”
  2. we all have outlook emails
  3. the spelling of the emails are correct
  4. the subscription is paid for and up to date
Microsoft 365 and Office | Microsoft 365 Defender | For home | Android
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  1. AI answer

    2026-01-17T06:23:54.74+00:00

    The issue you are encountering with the Microsoft Defender app on your kids' Android device, specifically the "invalid license, contact administrator" message, may be related to the licensing associated with your Microsoft family subscription. Here are some steps you can take to troubleshoot this issue:

    1. Check License Assignment: Ensure that the Microsoft family subscription is properly assigned to the Microsoft account being used on the Android device. Sometimes, licenses may not be provisioned correctly.
    2. Verify Subscription Status: Confirm that your subscription is active and that there are no issues with the payment. You can check this in your Microsoft account settings.
    3. Different Accounts: If you are using your own login details on your kids' device, ensure that the subscription allows for multiple users and that the kids' accounts are linked to the family subscription.
    4. Contact Support: If the problem persists, it may be beneficial to contact Microsoft support for further assistance, as they can provide specific insights into your account and licensing issues.

    These steps should help you address the invalid license error on the Android device.

    References:

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