http://blogs.technet.com/b/jamesone/archive/2009/07/22/how-to-activate-windows-from-a-script-even-remotely.aspxI have been working on some PowerShell recently to handle the initial setup of a new machine, and I wanted to add the activation. If you do this from a command line it usually using the Software Licence manager script ( slMgr.vbs ) but this is just aen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/jamesone/archive/2009/07/22/how-to-activate-windows-from-a-script-even-remotely.aspx#3267385Thu, 23 Jul 2009 11:27:33 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3267385James ONeill<p>Er ... I'm tempted to say &quot;3 reasons, ignorance, stupidity and 'nothing-else' &quot; :-) </p> <p>Somewhere I missed &nbsp;validatepattern . It is in the online help. Doh. </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3267385" width="1" height="1">http://blogs.technet.com/b/jamesone/archive/2009/07/22/how-to-activate-windows-from-a-script-even-remotely.aspx#3267141Wed, 22 Jul 2009 19:18:11 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3267141Jeffrey Snover<p>Was there a reason why you didn't use [ValidatePattern(&quot;^\S{5}-\S{5}-\S{5}-\S{5}-\S{5}$&quot;)] </p> <p>?</p> <p>jps</p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3267141" width="1" height="1">