Microsoft account. Family Safety. Parental consent.

Because the child is now an adult and the original consenting adult account is available, the only supported options are those exposed through the Family Safety and parental consent flows; there is no separate manual “orphaned consent record” reset documented.

Use these steps and checks based on the documented behavior:

1. Confirm the correct adult account
   • Only the adult account that originally granted consent can remove it or manage the child’s consent.
   • If the expected child account does not appear under consent management, this indicates either:
     • Consent was granted by a different adult account, or
     • Consent was granted using a different Microsoft account for the same adult.
   • In that case, the appropriate adult account must be recovered first using the account recovery flow: recover the adult account.
2. Try the dedicated parental consent management page
   • While signed in with the adult account that originally granted consent, go to the consent management page: Manage permissions.
   • If the child account appears there, remove consent from that page.
   • If nothing appears under Manage permissions, the documentation states this is because:
     1. Consent has not yet been given, or
     2. Consent was granted by another adult, or
     3. Consent was granted using another Microsoft account.
   • In those cases, again the only documented remediation is to recover the correct adult account and repeat the step above.
3. Remove the child from the Microsoft family group (if consent is visible)
   • Sign in at https://family.microsoft.com with an organizer account that also is the adult who granted consent.
   • Select the child’s profile.
   • First select Remove consent for this child’s account.
   • Then go back to the family group and select Remove from family group to complete removal.
4. If the child cannot sign in (lost credentials)
   • The child’s inability to sign in does not change the requirement that the original consenting adult remove consent.
   • The child account itself can be recovered via normal account recovery flows, but the documentation emphasizes that if the adult cannot access their account, the child may lose access to their account and the adult or guardian should recover the adult account instead.
5. When the system still treats an 18-year-old as a child
   • If the birthdate on the Microsoft account still indicates the user is under statutory age, the account will continue to be treated as a child account.
   • The documented path is to use the birthdate correction tool starting from the “Microsoft thinks I’m a child” flow, which is linked from the parental consent article. Once the account is recognized as an adult, it can be managed without additional parental consent.
6. No documented manual backend reset
   • The available documentation does not describe any supported method for manually clearing an “orphaned” consent record outside of:
     • Recovering and signing in with the original consenting adult account, and
     • Using the Manage permissions and Family Safety pages to remove consent and then remove the account from the family group.

If the correct adult account truly cannot be identified or recovered, the documentation indicates that the child account may lose access and does not provide an alternative manual override; in that situation, support would follow the same recovery guidance (recover the adult account, then remove consent and remove from the family group).

References:

• Managing parental consent
• Leave family group or remove members
• How to leave a Microsoft family group
• Troubleshooting Microsoft Family Safety
• How do I stop supervising my child in Family Link? - Microsoft Q&A
• how to change date of birth child to adult - Microsoft Q&A