Post migrated to: http://kpytko.pl/windows-server-2008-r2/windows-server-2008r2-in-place-upgrade-to-windows-server-20122012r2/
Ok, this works only in best case scenario. I popped my 2012R2 in the DVD drive and start the process however after I select the OS type that I want, I get an obnoxious error:
Windows cannot find the Microsoft Software License Terms. Make sure the installation sources are valid and restart installation.
From there, I click ok and can’t proceed with the update.
This is a physical box, no VMs involved.
What kind of installation media do you use? Retail or OEM version?
We use RTM (Retail).
OK, strange. Does it happen on any 2008R2 server you would like to upgarde?
Do you have other Windows Server 2012 media copy or ISO image to test?
I haven’t tried yet on another server as we didn’t have the needs to upgrade them. I”m sure there is a tweak that can be done to bypass the license, I need to find it.
Did you look into error log on C-drive? What is written there?
In the event logs, nothing beside “The Software Protection service entered the running state”
Tried another ISO download from Microsoft, same results. Bummer!
I tried my ISO on another server and I can go through the process. The server I want to upgrade is a domain controller, what gives?
OK, looks like one of those 2 things are stopping you from in-place upgrade.
1) Please check if your Forest Functional Level is at least on Windows Server 2003
Windows Server 2008/2008R2 requires Windows 2000 FFL and Windows 2000 native Domain Functional Level to allow using it as Domain Controller. Since Windows Server 2012, Windows Server 2003 FFL is required
but most possible is that one
2) Check your current schema version if it has been extended to 69 and domain is prepared for new Domain Controller’s operating system.
To check that, please follow one of those 2 articles on my blog
Determine Schema Version using PowerShell
Manual schema check
if this version is not 69 you need to extend it first manually as transparent adpreping in this case would not work.
To do that, open elevated command-prompt and type
netdom query fsmo
identify Schema and Infrastructure Masters then log on to them and mount Windows Server 2012R2 media. Now on Schema Master type
Next, log on to Infrastructure Master and type
After that try gain in-place upgrade
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