That's not possible via the native tools, synchronization is always from on-premises AD to Azure AD. Instead, you can export the set of users/groups via PowerShell and import them in AD. And yes, passwords will not match, but there is no way for you to "read" password values in O365.
Sync office 365 cloud users to new on-prem domain and configure SSO
Arnold MIshaev
216
Reputation points
Hi everybody,
We're facing with next scenario:
Company have only 365 tenant and know they growing and need their own on-prem Domain.
we don't want to create new users on-prem cause then they would have different password for O365 and on-prem.
We would like to sync all users & groups from O365 to on-prem domain, and then change the sync way which all users will sync from on-prem to O365 tenant via AdSync
all this for SSO purpose.
is there any written official procedure to get it done peacefully and without downtime?
Thanks
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Arnold MIshaev 216 Reputation points
2022-04-29T19:04:06.603+00:00 for sure :)
security is on top alwaysTHX