<p>Is it possible to update IIS on Windows XP from 5.1 to 6?</p>

<p>If so how?</p>

<p>Thanks.</p>

No, it is not possible. The version of IIS is tied to a specific version of Windows.
```
```
XP = IIS 5.1
2003 = IIS 6
2008 = IIS 7
```
```
More information available at
http://support.microsoft.com/kb/224609
.