Issue with mailuser

Sree 1,971 Reputation points
2021-09-10T15:12:07.163+00:00

mailobject issue I have raised a request thanks

Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,305 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,427 questions
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  1. KyleXu-MSFT 26,226 Reputation points
    2021-09-13T03:05:23.123+00:00

    @JustinMicheal-7973

    We have created around 20,000 MailUser objects, but have only migrated 9. We have 50 scheduled for next week and noticed these 2 “missing”
    Azure AD changes were taking hours to replicate to ExO

    Based your description, although AAD Connect sync is unstable, it still works. I guess this phenomenon caused by this account broken or there exist sync issue between your AAD and Exchange online:

    About the account broken issue, you could try to delete this MailUser from Exchange on-premise, then try to recreate a new one, check whether this new on could show in Exchange online after syncing.

    About the sync issue, you could open a service request from Microsoft 365 admin center to let Microsoft to help you check from the backend.


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