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Tag Archives: scvmm

VMM – failed to add device ‘Virtual CD/DVD Disk’

So you try to mount an ISO in the VMM library with the shared option and get the following error: [error] Error (12700) VMM cannot complete the host operation on the (SERVER FQDN) server because of the error: 'VMName' failed to add device 'Virtual CD/DVD Disk'. (Virtual machine ID GUID) Failed to open attachment '(Library path to the ISO)'....
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VMM cannot find the device or this device is not valid for a boot device

So you create a new Generation 2 (Gen2) virtual machine and install either Windows Server 2012 or 2012R2, you customise it and then you convert it in to a template in SCVMM. All is normal. You go to deploy that template from the library and it fails with the following: [error]VMM cannot find the device or this device is not valid for a...
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Bye-bye Snapshots, Hello Checkpoints!

Just a quick post for those who are using Hyper-V in either Server 2012 R2 or Windows 8.1 (Client Hyper-V). The feature previously known as 'Snapshot' is no longer present - it has been replaced by the term 'Checkpoint'. For those that did not know, this allowed for virtual machines to be returned to a previous state...
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