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Duplicates in Entra ID after Azure AD connect was enabled.

Neptune Martinez (Admin) 0 Reputation points
2026-01-15T18:43:12.93+00:00

Users were created in Entra ID initially. Previous Admin tried enabling Azure AD Connect however now we get duplicates and all accounts are now marked as hybrid. I have disabled syncing for now.

I am unable to set the ImmutableId to any cloud accounts as they have been marked as hybrid.

Need to be able to sync users from On Prem for easier management.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
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  1. Marcin Policht 77,030 Reputation points MVP Volunteer Moderator
    2026-01-15T21:06:42.95+00:00

    Removing Entra Connect should result in these accounts being converted to cloud-only. Once this happens, follow https://learn.microsoft.com/en-us/answers/questions/5620111/duplicate-accounts-appearing-after-syncing-on-prem and then redeploy Entra Connect again

    If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

    hth

    Marcin

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