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How to Change the User Account Created by Microsoft Bookings

Huma Ashraf ChHuma Ashraf Ch Oct 10, 2026 871 views

Question details

Administrators want to change or prevent the automatic user account creation generated by Microsoft Bookings to use an existing account and avoid cluttering the Active Directory.

How to Change the User Account Created by Microsoft Bookings
Product
Microsoft Bookings
Device & OS
not provided
Scenario
Creating a shared booking calendar without generating unnecessary accounts in Active Directory.
Observed behavior
Microsoft Bookings automatically creates a new user account in Active Directory every time a shared booking calendar is configured.
Before you start

Ensure you have Microsoft 365 Global Administrator or Exchange Administrator privileges before attempting to modify or investigate Active Directory user accounts.

Solution 1Recommended

Seek Administrative Support from Microsoft

Since modifying the underlying account structure of Bookings requires backend Exchange and AD access, contacting Microsoft Support or the Bookings Community is the required approach.

Microsoft Bookings inherently creates a disabled user account to provision the required Exchange mailbox for each new booking calendar. Changing this default behavior requires specialized administrative intervention and confirmation from Microsoft specialists.

1
Gather tenant configuration details

Collect your Microsoft 365 tenant type, current booking calendar configuration, and the specific details of the automatically created account in your Active Directory.

2
Consult the Microsoft Bookings Community

Navigate to the Microsoft Tech Community forums and post your specific scenario in the Bookings section to get advice from specialists who have the required tools and permissions.

3
Contact Microsoft 365 Support

Open your Microsoft 365 Admin Center, click on 'Support', and create a new service request asking if the auto-generated account can be merged or replaced with an existing one.

Seek Administrative Support from Microsoft
Do not manually delete the account: Manually deleting the automatically generated account from Active Directory will break your shared booking calendar and result in inaccessibility.
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Frequently Asked Questions

Why does Microsoft Bookings create a new user account?

Every shared booking calendar requires an Exchange mailbox to store appointment data and send emails. Bookings automatically creates a disabled user account in your Active Directory to host this mailbox.

Can I link a Bookings calendar to an existing mailbox?

By default, the Microsoft Bookings interface generates a new mailbox. Linking a new calendar to an existing mailbox or account requires advanced administrative configurations that you must confirm with Microsoft Support.

What happens if I delete the Bookings user account in Active Directory?

If you delete the associated user account in Active Directory or the Microsoft 365 Admin Center, the linked Microsoft Bookings calendar will stop functioning immediately, and all scheduled appointments will be inaccessible.