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Upgrade Server 2008 to Server 2008 STD R2

Evening Experts,

I have a domain controller currently installed with Server 2008 STD (64bit) and I would very much like to upgrade it to R2. However it may sound easy as pie from here but I have some problems as follows.

- I only have this one domain controller, call it DC1, - got another DC installed with R2 as we speak. However DC1 needs to be upgraded first and it needs to be primary DC.
- I could simply upgrade the installation or reinstall the DC1 from scratch however that will not do I am afraid. Futhermore I don't have the needed 16gb worth of disc space available so the installation stops.

So are there other ways, to upgrade from a 2008 to 2008 R2 without the standard upgrade feature?

I know it's bad planning of me, however you got to start somewhere right?

Looking forward hearing your ideas.

Best Regards
Sarah S.
Sarah S.
1 Solution
Glen KnightCommented:
Why dont you install your new server as a DC then transfer all the FSMO roles then DCPROMO the old server so it's not a DC anymore then rebuild the other server.
with R2? Make it a DC then transfer the roles back if you wish??
Darius GhassemCommented:
I would have to agree with demazter why not get your other server setup with all the services that your current primary system has then demote the server, reformat the system, and install Windows 2008 R2.

Once you have the system installed repromote the system to be a DC again and then start to transfer the services over back to the primary server including DNS, DHCP, AD, etc.
What about installation of new harddrive and/or resizing partition, so you will got necessary space for upgrade?
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Sarah S.Network Trainee (for fun)Author Commented:
I finally figured out what I needed to do. The primary DC needed to be upgraded to R2, or at least prepped for R2 in the domain. This was of course done by prepping it with the support\adprep from the Windows 2008 R2 CD. Then I raised the forest and domain level to 2008.
Prepared the forest schema by running: adprep /foretsprep.
Prepared the domain controller by running: adprep /domainprep /gpprep.

Then afterwards I were able to run the dcpromo and make the secondary DC a member of the domain. I will then be able to upgrade the DC1 with R2 once I figure out if I want to keep it a physical or a virtual server.

That being said, thank you all for giving me an idea how to do this in the first place. I installed a new server on VMWare without R2, then moved the roles and updated everything from then on with the FSMO roles and so forth.

Sarah - wish you all a Merry Christmas
Glen KnightCommented:
You said you already had an R2 Domain Controller in your question which was why I didn't suggest the adprep /forestprep because this should already have been done or the other DC wouldt have been able to join the domain.
Sarah S.Network Trainee (for fun)Author Commented:
Gave me some ideas to how I could solve this problem which turned out to be perfect in the final solution.

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