Write back of users from AAD to AD with Exchange Hybrid?

Magnus Tengmo
Occasional Contributor

Is it possible to provision new users over Graph API and write them back to on-prem AD with Exchange Hybrid? All mailboxes are in Exchange Online. 

2 Replies

Hi @Magnus Tengmo,


You have to create your mailboxes using your On-Premises Exchange to synchronize to Office 365.


You can create using the powershell new-remotemailbox https://docs.microsoft.com/en-us/powershell/module/exchange/federation-and-hybrid/new-remotemailbox?... 


The attributes synchronized are described here https://docs.microsoft.com/en-us/azure/active-directory/connect/active-directory-aadconnectsync-attr...

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