http://blogs.technet.com/wchomak/archive/2008/10/01/cleanup-tool-for-operations-manager-2007.aspxAn must have tool in your arsenal. If the standard GUI fails for whatever reason you can rely on this tool. I have tested it in Windows 2003 Server, Windows 2008, both 32 and 64 bit platforms.en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/wchomak/archive/2008/10/01/cleanup-tool-for-operations-manager-2007.aspx#3131215Thu, 02 Oct 2008 10:39:40 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3131215Stefan Stranger's Weblog - Manage your IT Infrastructure<p>There are so many tools currently developed that it is hard to know where to find them. Here is a list</p>http://blogs.technet.com/wchomak/archive/2008/10/01/cleanup-tool-for-operations-manager-2007.aspx#3181108Mon, 12 Jan 2009 16:25:21 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3181108Walter Chomak's System Center Operations Manager 2007 Landing Zone<p>Courtesy of Pete Zerger - <a rel="nofollow" target="_new" href="http://feeds.feedburner.com/~r/systemcenterforum/~3/507636791/">http://feeds.feedburner.com/~r/systemcenterforum/~3/507636791/</a> Peter has updated</p>