Setup /PrepareAD /TenantOrganizationconfig when upgrading exchange2010 to 2016 MINIMAL

Filip Soogen 171 Reputation points
2021-09-02T10:54:40.37+00:00

Hi ,

when upgrading an exchange2010 (which is in minimal hybrid mode, not full hybrid mode) - do you need to run the below command or can you just run the schemaprep ?
Setup /PrepareAD /TenantOrganizationconfig:

kind regards,
Filip

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.
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Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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  1. Andy David - MVP 143.8K Reputation points MVP
    2021-09-02T11:21:07.47+00:00

    All the prep steps need to be run. However, if you run Exchange Setup and you have the necessary perms and its a single domain forest, all the prep steps are run automatically for you:
    https://blog.rmilne.ca/2021/05/13/does-exchange-setup-automatically-run-prepareschema/?utm_source=rss&utm_medium=rss&utm_campaign=does-exchange-setup-automatically-run-prepareschema

    Its also run automatically if:

    https://learn.microsoft.com/en-us/exchange/plan-and-deploy/prepare-ad-and-domains?view=exchserver-2019

    128665-image.png

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  2. Filip Soogen 171 Reputation points
    2021-09-02T11:40:12.01+00:00

    Hi ,
    the account has all the necessary rights - its rather a small environment and i know that the GUI will execute all the steps that are required.
    Above article is when you are updating the server to a higher CU.

    My question is about the schemaprep when installing a new exchange2016 next to a 2010 that is installed with a MINIMAL hybrid.
    So there are no tls connectors, free/busy sharing ... The minimal has just enabled that mailboxes can be migrated to O365 as the customer already had AADconnect.
    All mailboxes are in the cloud.

    https://www.c-sharpcorner.com/article/hybrid-exchange-2010-to-hybrid-exchange-2016-part-one/
    https://blog.rmilne.ca/2021/05/10/tenantorganizationconfig-required-when-preparing-active-directory/
    https://practical365.com/installing-the-first-exchange-2016-server-fails-in-hybrid-environment/

    kind regards,
    Filip

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  3. Filip Soogen 171 Reputation points
    2021-09-02T12:09:12.45+00:00

    it gives me output so it is detected as a hybrid (even though it was a minimal)
    Thanks for the answer , helpfull as always !

    kind regards,
    Filip

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