Here is smooth tutorial on how to upgrade and migrate you Windows Server 2008 or 2008 R2 to Server 2012.

A lot of people/business would like to upgrade their server system but would not want to loose all their comfigurations. So i presume here an helpful tutorial to help you Upgrade and Migrate without loosing your configurations.

NOTE: You can use this same process to;

• Upgrade/Migrate Server 2003 SP1 to Server 2008
• Upgrade/Migrate Server 2003 SP1 to Server 2008 R2
• Upgrade/Migrate Server 2003 SP1 to Server 2012
• Upgrade/Migrate Server 2008 to Server 2008 R2
• Upgrade/Migrate Server 2008 to Server 2012
• Upgrade/Migrate Server 2008 R2 to Server 2012

Following their precise Editions.

Follow the Step below gently;

Step 1 – Insert your installation disc – Window Server 20l2

Step 2 – Make sure your Forest and Domain functional level is set to Server 2003 or higher

Step 3 – Open your installation folder and switch to Support\adprep\ folder – you would see adprep.exe

Step 4 – Open the Command Prompt and Drag the adprep.exe application to it

Step 5 – Hit space and type /forestprep then hit Enter

(You should get a success message)

Step 6 – In the same command prompt, drag the adprep.exe application again, hit space and type /domainprep then hit Enter.

(You should get a success message)

Step 7 – After you’re done. Run the Window Server 20l2 from “My Computer Window” and start your upgrade.

NOTE: Don’t go for new/fresh installation. Go for Upgrade.

System Requirements for Windows Server 2012

Processor      –  1.4 GHz (64-bit processor) or faster for single core
RAM            –  2 GB
Hard-Disk    – 160 GB hard disk with a 60 GB system partition

It should take appoximately 30mins depending on the speed of your System.

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If you don’t get the steps, See a video tutorial below;

Watch Video Tutorial