http://blogs.technet.com/b/scvmm/archive/2010/12/08/a-host-refresh-in-the-system-center-virtual-machine-manager-2008-administrators-console-fails-with-error-2912.aspxHere's another KB we published this morning.&#160; This one talks about an issue where doing a host refresh in the SCVMM 2008 admin console generates error 2912 with 0x800700A4: ===== Symptoms In the System Center Virtual Machine Manager 2008 (SCVMM)en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/scvmm/archive/2010/12/08/a-host-refresh-in-the-system-center-virtual-machine-manager-2008-administrators-console-fails-with-error-2912.aspx#3457822Fri, 07 Oct 2011 07:23:11 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3457822Miquel <p>Hello, we have one machine with this error &nbsp;(Unknown error (0x800007d0)) </p> <p>No way to refresh the host...</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3457822" width="1" height="1">