Computer Name Change in Windows 2012 / 2012 R2
Computer Name Change
Start the Server Manager via the Start screen or by clicking the icon in the pinned items of the task bar. In the left panel navigate to Local Server, then click the current computer name in the PROPERTIES section. Next, click Change and edit the value in the Computer name field. Click OK and when notified that you have to restart the computer to apply the change of name click OK again and restart your computer.
Continue to change the computers owner information…