http://blogs.technet.com/b/askperf/archive/2008/04/15/using-special-pool-to-find-out-who-is-allocating-a-pool-tag.aspxOK, a quick disclaimer right at the start.&#160; The steps we discuss in this post assume that you are very comfortable with kernel debugging, and in particular live debugging.&#160; This is a bit of a niche post, but it is a question that we get everyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/askperf/archive/2008/04/15/using-special-pool-to-find-out-who-is-allocating-a-pool-tag.aspx#3038451Thu, 17 Apr 2008 11:16:40 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3038451Pavel Lebedinsky<p>Alternatively, you can set nt!PoolHitTag from kd:</p> <p><a rel="nofollow" target="_new" href="http://kernelmustard.com/2006/06/06/a-clever-way-to-find-who-owns-a-pool/">http://kernelmustard.com/2006/06/06/a-clever-way-to-find-who-owns-a-pool/</a></p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3038451" width="1" height="1">