http://blogs.technet.com/b/mspfe/archive/2012/11/27/fixing-the-great-rollback-of-november-2000-2012-and-other-time-rollback-problems.aspxMark M* has even more information to help you address Active Directory time rollback problems, over at AskPFEPlat . I&rsquo;ll paste his table of contents below: Recovering from a time rollback is a complex situation so read each step carefullyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/mspfe/archive/2012/11/27/fixing-the-great-rollback-of-november-2000-2012-and-other-time-rollback-problems.aspx#3553446Tue, 19 Feb 2013 00:49:17 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3553446Premier Field Engineers<p>The other links were intra-document anchors; removed from quoted text. Thanks!</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3553446" width="1" height="1">http://blogs.technet.com/b/mspfe/archive/2012/11/27/fixing-the-great-rollback-of-november-2000-2012-and-other-time-rollback-problems.aspx#3552669Thu, 14 Feb 2013 20:44:36 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3552669Craig<p>Correction: The top link only works (&quot;address Active Directory time rollback problems, over at AskPFEPlat&quot;.).</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3552669" width="1" height="1">http://blogs.technet.com/b/mspfe/archive/2012/11/27/fixing-the-great-rollback-of-november-2000-2012-and-other-time-rollback-problems.aspx#3552668Thu, 14 Feb 2013 20:43:21 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3552668craig<p>The links above don&#39;t work anymore. thank you.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3552668" width="1" height="1">