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Can I pause a 2008 R2 Hyper-V VM and replace the network switch where the virtual disks and settings reside without damaging/corrupting the VM?

Posted on 2014-12-02
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Last Modified: 2014-12-12
Hello,
     So I have a situation where a power supply is going bad that powers my network switch that is the iSCSI connection to my 2008 R2 Hyper-V virtual machines.  I need to move this switch over to a new power supply and was hoping I could use the "Pause" function in hyper-v manager for all of the VMs that are running on that server and then simply connect the switch and power it back up on a new power supply.  Is this possible without harming the VMs?  Will the VMs resume properly after being paused and basically having the connection to the virtual disks broken for a few minutes?  

Thanks
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Question by:linuxrox
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 40476246
I would recommend, shutting down the VMs, to ensure there is no iSCSI network traffic flowing.

and then complete the change over.

In theory, it should work.
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by:linuxrox
ID: 40476726
should i shut the VMs down from within the guest VM O.S. or should i use hyper-v manager to shut them down?
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LVL 120
ID: 40476907
Either function will do, it's the same, Shutdown from Hyper-V Manager will instruct the VM to shutdown, as id you were logged into the VM.

So save yourself a few minutes, use Hyper-V Manager, Shutdown Guest.
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