Activating windows 2008 server.
Scenario: You download a Windows server 2008 ISO from Microsoft Technet and try activating Windows Server 2008 online, you receive an error message.
You checked that the server is connected to internet and you are able to browse the internet websites, but still you are unable to activate windows 2008 server.
Go to the below location
Click on change product key and enter the Valid key again , then windows gets activated automatically.