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Dan Tschippert

Migration SBS 2011 to 2019 on Same Server

I need to migrate from SBS 2011 to Server 2019, but I want to keep the same server (box). The server has the OS on the c: drive and the data files on the e: drive. Exchange was moved to 365 some time ago. SBS is using AADC to sync from SBS to Azure.

My goal is to have the current SBS box run 2019 and keep the redirected user files as is on the existing box.

The information I see here really doesn't support what I want to do as it seems tailored to move SBS from one box to a new box.

Is what I want to do possible? I would guess I would have to spin up a temporary 2019 server and move AD and GPO's from the SBS box to the temporary server. Then install 2019 on the SBS box and move AD and GPO's back to the original SBS box. I like your description of the PS scripts that automate a lot of the migration processes and am wondering if they would work in the scenario I propose.

Would your migration guide still be applicable for what I want to do or do I need hands on guidance for this project?

asked07/28/2021 13:16
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Last Activity 07/29/2021 06:31

1 Answer(s)

  • Mariette Knap

    Yes, the kits will still help you performing this migration. As you have all your user data on a seperate partition you can do this:

    1. Build a replica DC on a spare machine,
    2. Demote the SBS 2011 and export shares (is in the kit),
    3. Export DHCP and CA config (is in the kit)
    4. Boot from media on the old server and whipe C partition
    5. Install new OS on C partition and promote DC
    6. Move roles to new server (in the kit)
    7. Move shares to new server (in the kit)
    8. Rename new DC to get old Hostname of SBS 2011, see How to rename a domain controller after you migrated it, keep the old hostname

    You can also get direct support from me during your project.
    answered 07/29/2021 06:30
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    Mariette Knap

    Make sure you break AADsync before you uninstall Exchange and demote old SBS!

    Reply
    replied 07/29/2021 06:31
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