Of course read my other blog posts on SP2, but also go and download this – Hotfix Scan Tool for Windows Server 2003 Service Pack 2 Deployment. Its a simple install, then you run it by doing this:
From the command prompt type:
The output should look like this:
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.
Detecting if any updates in the Block installation list were installed on the system…
No updates in the block installation list were detected.
You can proceed to install Windows Server 2003 SP2
Feel free to install SP2 (if you have tested it and full vendor support).