Steps to apply Windows Updates on Windows Server 2003.#Windows Updates
Steps to update Windows Patch in the windows server 2003 version:
1) Take Remote Desktop Program to the windows Server.
2) In Internet Explorer, go to Safety > Windows Update
3) On the Windows Update page, click Custom
4) Install all High Priority and Software updates. And then click “Install Updates” button on the page.
You will have to restart the server several times and run windows update again since new updates may depend on other updates. So just keep rebooting and running Windows Update until there are no more updates available. Also some updates can only be installed alone.