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Migrating from SBS 2011 to Win 2012

Posted on 2013-10-23
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Last Modified: 2013-11-13
We have moved our SBS 2011 users email to Office 365 and no longer use the SBS for emails.

Now we want to set up Windows 2012 R2 OS for the server to use it as a domain controller and file server.

I don't want to rejoin all computer systems to the domain on Win 2012 and recreate the users.

What is the best way to migrate all users and systems joined to the SBS domain to Windows 2012 R2?
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Question by:Gerhardpet
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by:Lee W, MVP
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I'm happy to give you a high level overview, but this can be a complicated thing in the finer details so if you're not sure how to do it, I HIGHLY recommend you hire a pro to do the migration for you and then you continue to manage it yourself.

0. Make sure you have appropriate 2012 CALs.
1. Install 2012 as a member server.
2. Run DCDIAG /C /E /V on the SBS Server to ensure AD is healthy - if there are any errors, research and correct them (there are a couple that might come up that can likely be safely ignored.
3. Promote the 2012 server to a DC
4. Transfer files sharing services from one server to the how (many methods exists for doing so and how complicated it actually is depends on your environment
5. Uninstall Exchange from SBS
6. Transfer the FSMO roles from SBS to the 2012 server
7. Demote the SBS server
8. Remove the SBS server entirely from the network.
Enjoy 2012 and monthly fees from Microsoft.
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by:Gerhardpet
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Thanks for your response, Actually I should have said that we will use the same physical server for Win 2012. So will wipe out SBS and then install Win 2012

Am I asking for too much?
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by:Sandeshdubey
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You cannot perfrom in-place upgrade.You need to add new Win2012 server on new h/w.
http://social.technet.microsoft.com/Forums/en-US/0f6c8d3f-7024-4601-8dd9-b47c5614ebf4/procedure-for-upgrading-from-sbs-2011-standard-to-windows-2012?forum=smallbusinessserver

If you are wiping out SBS box then you need to rejoin the machine to domain create users and do profile migration.
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by:Lee W, MVP
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Don't install to hardware.  Setup Hyper-V on a desktop, install 2012 to a VM on the desktop and migrate everything to the VM.  Once done, you can wipe the SBS server, install Hyper-V and transfer the 2012 server to the new server.  (just ONE of the advantages of going virtual and NOT installing direct to hardware - another - 2012 gives you TWO licenses for server when they run virtually).
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Gerhardpet earned 0 total points
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I'm just starting over again. I will use User Profile Wizard 3.7 from Forensic IT
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by:Lee W, MVP
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So you thought my suggestion was too difficult?  Did you try it in a test environment?
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by:Gerhardpet
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Yes I think it is too difficult. I can start over with the experience I have but to migrate it would be too much of a learning curve and I don't have time for it
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by:Lee W, MVP
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Do you realize how much time it's going to take you otherwise?  And the disadvantage you're putting the company at by not virtualizing?
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by:Lee W, MVP
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Really, if you don't have time or experience, you need to hire a pro to get it right... Why am I saying that?  Because people who don't get it right start getting annoyed about how bad the software is because so many things don't work right... but if they did it correctly to begin with, things would just work 99% of the time.  Maybe more.
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by:Gerhardpet
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Will use User Profile Wizard 3.7
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