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Convert Shared mailbox to Regular Mailbox

Rising Flight 6,176 Reputation points
2021-10-21T18:56:46.557+00:00

Hi All

i am using exchange 2016 hybrid environment, i have shared mailbox created in onprem and it is migrated to exchange online. Now i want to convert this shared mailbox to regular mailbox. From Exchange Online admin center if i convert shared mailbox to regular mailbox, then come to onprem Active Directly enable the account and set the password will it work. Any changes do i need to make in exchange onprem admin center.

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Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
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  1. Andy David - MVP 159.7K Reputation points MVP Volunteer Moderator
    2021-10-21T19:07:57.517+00:00

    I would convert it to a regular mailbox on-prem as well 

    set-remotemailbox <mailbox> -type regular
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  1. Amit Singh 5,316 Reputation points
    2021-10-22T05:04:37.64+00:00
    • Select the Shared Mailbox that you want to convert to User Mailbox.
    • Click Convert under Convert to Regular Mailbox.
      142718-image.png
      • At the warning message click OK to continue. (Don't forget to assign a license to the mailbox after the conversion, in order the user mailbox to work.)
      • When the conversion is completed click Close.
      • Now, from the Office 365 Admin center, go to Users > Active Users
      • Select the new user mailbox and then click Licenses and apps.
        142766-image.png
      • Assign a license and click Save changes.
    1 person found this answer helpful.
  2. Summer 1 Reputation point
    2022-03-14T23:38:17.977+00:00

    A little tricky situation at my end.

    A shared mailbox was converted to a regular mailbox in exchange 2016 hybrid environment.
    Though the shared mailbox is converted to regular mailbox but still it shows under shared tab in exchange admin center.
    How would we manage the properties of the this mailbox?

    https://portal.office.com/adminportal : Its still shows as shared mailbox.
    https://admin.exchange.microsoft.com/ : This shows that its regular mailbox.
    https://outlook.office365.com/ecp/ : It shows that its a shared mailbox.

    How would be manage and reflect this converted mailbox under correct place?

  3. Hector Orozco 1 Reputation point
    2023-01-27T18:41:54.7466667+00:00

    Hi, after converted it's Shared Mailbox in ExchangeOnline it doesn't show as a user's mailbox (Still Shared Mailbox). The exact same thing is happening to me and need the converted SharedMailbox to be reflected as a Mailbox User, not a Shared Mailbox. How is this fix?

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