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Migrating VMs from Hyper-V 2008 R2 to 2012

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linux-howto

http://serverfault.com – I have a machine in house which i am planning on Migrating from Windows Server 2008 R2 with HyperV to 2012 with HyperV. I am trying to figure out the easiest way of doing the migration... Most of the VMs are living on a small iSCSI NAS/SAN, with both VHDs and metadata stored there. Based on This MSDN Blogs post I need to manually export each VM and then re-import them on the 2012 box. Is that the only option? Is there a quicker way? Also, if space is limited, when an export completes, does it delete the original VM? or should i manually do this? (HowTos)