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The Enable-Mailbox cmdlet doesn't block migrated users from provisioning in Exchange Server 2016


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Symptoms

In a Microsoft Exchange Server 2016 hybrid environment, you could still run the Enable-Mailbox cmdlet against a remote mailbox that's already migrated to Microsoft Office 365, and provision a mailbox at the on-premise Exchange server.

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Cause

This issue occurs because the validation is disabled.

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Resolution

To fix this issue, install Cumulative Update 9 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kbContentAuto, CI74025, kb, kbfix, kbqfe, kbexpertiseadvanced, kbsurveynew, Enable-Mailbox cmdlet doesn't block migrated users from provisioning

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Article Info
Article ID : 4073103
Revision : 7
Created on : 3/5/2018
Published on : 3/20/2018
Exists online : False
Views : 240