http://blogs.technet.com/b/scvmm/archive/2012/12/05/kb-performing-an-operation-in-virtual-machine-manager-fails-with-error-801.aspxHere’s a KB we just published that talks about an issue where performing an operation on a VM in System Center 2012 Virtual Machine Manager fails with error 801: ===== Symptoms When performing any operation on a virtual machine (VM) in System Center 2012en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/scvmm/archive/2012/12/05/kb-performing-an-operation-in-virtual-machine-manager-fails-with-error-801.aspx#3539224Thu, 06 Dec 2012 16:20:39 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3539224Jonny Moura<p>Thanks J.C. Hornbeck. Very good!</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3539224" width="1" height="1">