"Cannot Connect to the Virtual Machine" Randomly Occurs

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we have several server 2008 r2 environments running hyper-v.   randomly on of these boxes unable connect vm's using hyper-v console.  message comes "cannot connect virtual machine.  try connect again.  if problem persists, contact system administrator."  have searched through these forums , internet , tried various things including restarting hyper-v virtual machine management service , issue not go away.   there no errors in of event viewer logs indicate issue.   the affected vm's usually never same , be fine when first turned on.  they start having issue after being online while (usually longer have been up, more issue occur).    guest os seems continue function fine, can rdp them (those setup such) , continue operate, can't connect via hyper-v console.

so far solution has been either shutdown , restart vm, or 'save' , start again , fixes problem, it's far permanent solution.    of guest os's having issue have latest integrated services installed , not have snapshots.  os on guest has been windows xp, windows 2000, windows server 2003, , think server 2008 r2 , windows 7 vm did it.  host boxes have been rebooted , patched (all sp1) , continue have issue.    suggestions appreciated.

i have seen happen few times scvmm, in case circumvent starting scvmm console elevated rights (run as)

mcitp sa - mcp active directory - mcp infrastructure - mcp server virtualization www.it101.eu



Windows Server  >  Hyper-V



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