Updating windows xp home to professional

Don’t follow these instructions unless you’re sure you’re ready for Windows 7.Windows Update Agent (WUA) automatically updates itself when it is connected to a Windows Server Update Services (WSUS) server or to Windows Update.Follow these steps in your app to determine whether or not the running version of WUA is the most recent one (or at least a current one).If the running version of WUA is too old or if WUA isn't running at all, install the most recent version of WUA (or at least a current version of WUA).If your SUS server machines is running additional services or the available network capacity is less than the server network card capacity, you will need to adjust this guidance to reflect your situation.There are essentially three options, depending on the number of Windows XP systems to be updated using your SUS server (if you have one or a few SUS servers) and the topology of your SUS implementation (if you have many SUS servers): For the first (no action necessary) option, it is recommended that the SUS administrator monitor the server load when the update is first approved and for the first hour of the work day or first work shift after the Windows XP SP2 update has been approved.If you receive a WU_E_SELFUPDATE_REQUIRED error message when you use the WUA API to perform a scan, download, or install, this error tells you that the version of WUA is out of date.

Windows 7 will not automatically upgrade from XP, which means that you have to uninstall Windows XP before you can install Windows 7. Moving to Windows 7 from Windows XP is a one-way street — you can’t return to your old version of Windows.Microsoft strongly urges customers with Windows XP and Windows XP Service Pack 1-based systems to update to Windows XP SP2 as soon as possible.As a best-practice approach to implementing a managed rollout of Windows XP SP2, customers are encouraged to use a corporate update management solution such as Systems Management Server (SMS) 2003 or Software Update Services (SUS).The following section details considerations for deploying Windows XP SP2 using SUS.Note: SUS is available as a free download to customers with a Windows Server 2003 or Windows 2000 Server license and can be downloaded from

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