http://blogs.msdn.com/b/taylorb/archive/2009/03/03/hyper-v-vmms-certificate-expiration-problem-and-resolution.aspxIn the coming days/weeks some of you may see some new errors from Hyper-V.&#160; The first is an error when you try and use VMConnect or SCVMM to connect to a running virtual machine – the error is “ Cannot connect to the virtual machine because the authenticationen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/taylorb/archive/2009/03/03/hyper-v-vmms-certificate-expiration-problem-and-resolution.aspx#9458164Wed, 04 Mar 2009 10:22:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:9458164Click &amp; Solve &raquo; Hyper-V VMMS Certificate Expiration Problem and Resolution <p>PingBack from <a rel="nofollow" target="_new" href="http://www.clickandsolve.com/?p=17556">http://www.clickandsolve.com/?p=17556</a></p><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9458164" width="1" height="1">