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Optimizing and Troubleshooting: Hyper-V Networking by Mitch Tulloch

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Chapter 5. MAC addresses

With Hyper-V you can use Virtual Network Manager to specify a range of media access control (MAC) addresses to assign to virtual machines and to constrain the range of dynamic MAC addresses available. When multiple Hyper-V hosts use the same subnet, however, you need to avoid duplicating the same address range on more than one host to prevent potential conflicts that would result if the same MAC address is assigned to more than one virtual machine on the subnet.

In this section, Thomas Roettinger, a Program Manager with the Partner and Customer Ecosystem Team at Microsoft, demonstrates how to troubleshoot several issues associated with duplicate MAC addresses in Hyper-V environments.

Hyper-V and MAC addresses

When you install ...

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