From: James on
It should be noted that the website has changed ... as of April 1,
2010, navigate to the following page for online validation:

http://www.microsoft.com/genuine/validate/ValidateNow.aspx

This should work for most issues of this type.
From: PA Bear [MS MVP] on
[Why are you replying to a thread from October 2005?]

James wrote:
> It should be noted that the website has changed ... as of April 1,
> 2010, navigate to the following page for online validation:
>
> http://www.microsoft.com/genuine/validate/ValidateNow.aspx
>
> This should work for most issues of this type.