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The Windows Hyper-V technology does not fully support the OVF industry standard. Microsoft documents a complex and somewhat limited procedure on their page about converting OVF files to Hyper-V. There are third-party conversion tools available that simplify this deployment scenario, for example StarWind's free V2V Converter  which worked well in our tests.

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CentOS - Start up the VM and set a custom IP Address, DNS... (optional)

At this point the VM has DHCP enabled, and therefore it will receive a dynamic IP address suitable for your environment. The easiest way to access the VM at that point is from the virtualization software terminal. So go ahead and boot the VM. After the VM is finished booting you will be welcomed by a login prompt. First, log in using the default credentials.

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