One of our data centers is housing a test machine which was running some email accounts and some new pbx’s for us in Hyper Visor mode perfectly until a power loss which extended the sections UPS units beyond their capacity and thus caused a power loss. So our technicians were not to distraught thinking there should be no big issues in restoring the test center back into action. After the systems returns online we have noticed that the box with the exchange server has vanished clearly from the Hyper-V manager screen.
The testing team panicked before assessing the situation. We recommend you to really look at the situation when it comes to dealing with Virtual Machines before applying any fixes. Our primary focus is to always backup the machines (even broken) as they are before any fixes are done. Next remember that the V-machines though dependent on each to operate correctly (file structure wise) can be rebuilt by replacing some missing pieces to a machine. Think of it this way you have lost the case and the motherboard to your computer but you still have the hard drives perfectly intact. After a simple rebuild of the machine and the correct snapshot chosen as a hard drive the test center was back online. So lesson learned before delaying a situation and panicking, we recommend to always assess your possibilities and step out of the box to see quick resolutions.
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