http://blogs.technet.com/b/aviraj/archive/2009/08/15/windows-server-2008-r2-evaluation-180-days.aspxWindows Server 2008 R2 builds on the award-winning foundation of Windows Server 2008, expanding existing technology and adding new features to enable organizations to increase the reliability and flexibility of their server infrastructures. This softwareen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/aviraj/archive/2009/08/15/windows-server-2008-r2-evaluation-180-days.aspx#3473752Tue, 03 Jan 2012 17:24:34 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3473752Holly<p>If we have a trial version of WindowsServer2008 R2 and have purchased a fully licensed version, can we simply enter the key of the fully licensed version and avoid reinstalling? </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3473752" width="1" height="1">http://blogs.technet.com/b/aviraj/archive/2009/08/15/windows-server-2008-r2-evaluation-180-days.aspx#3323246Mon, 05 Apr 2010 19:55:48 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3323246Aviraj Ajgekar, MSFT<p>Once activated, the evaluation will run for 180 days. After this time, you will need to uninstall the evaluation software and reinstall a fully-licensed version of Windows Server 2008 R2.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3323246" width="1" height="1">http://blogs.technet.com/b/aviraj/archive/2009/08/15/windows-server-2008-r2-evaluation-180-days.aspx#3323181Mon, 05 Apr 2010 15:16:45 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3323181wes watson<p>Can the eval copy be registered using a valid key, other words, if I build a test environment on R2 can I registerd the eval copy or does it totally bomb out after 180 days?</p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3323181" width="1" height="1">