Editing Windows Server 2003 (section)

===Windows XP Professional x64 Edition===
{{Main|Windows XP Professional x64 Edition}}
Windows XP Professional x64 Edition was released less than a month after Windows Server 2003 SP1,<ref>{{Cite web |last=GitHub-Name |title=Windows XP – Microsoft Lifecycle |url=https://learn.microsoft.com/en-us/lifecycle/products/windows-xp |access-date=2023-01-14 |website=learn.microsoft.com |language=en-us}}</ref> and used the same kernel and source code tree. While many features of the 32-bit variant of Windows XP were brought over into Windows XP Professional x64 Edition, other limitations imposed by constraints such as only supporting 64-bit drivers, and support for 16-bit programs being dropped led to incompatibilities with the 32-bit Windows XP editions available. It later received a Service Pack update as part of the release of Windows Server 2003 SP2.{{Citation needed|date=January 2023}}