It really depends on the role of the server as to which nstep-by-step instructions you require. I was able to find several TechNet articles on Microsoft's website that illustrate the benefits of the upgrade and help ensure you have the appropriate prerequisites installed before you upgrade. Good luck and enjoy the Microsoft experience!
Here's a step-by-step guide to upgrading to Windows 2008 for Windows 2003 Domain Controller.
This is your definitive guide for upgrading to Windows 2008 for Windows 2003 Active Directory: This resource is pretty exhaustive and has several nested links that I would recommend you read before attempting an upgrade.
I've also included a small list of the benefits of Windows Server 2008 that you might really appreciate:
- Built-in Virtualization is great for simulating multiple application servers on a single server.
- Read-only Domain Controllers are great for branch offices and distributed sites.
- The new and improved TCP/IP stack is great if you're as nerdy as I am. Embrace the inner geek!
This was first published in January 2009