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Microsoft DirectAccess Best Practices and Troubleshooting by Jordan Krause

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MAC address spoofing for virtual machines

If your DirectAccess server is a virtual machine, which doesn't necessarily line up with my idea of a best practice in any way, but I understand that many folks do it; make sure to set your NICs to allow MAC address spoofing. This will be particularly important if and when you decide to create any kind of arrays or load-balanced clusters, but I recommend always making this change right in the beginning, so that you are prepared for those situations and don't have to take troubleshooting steps down the road. To set this setting in Hyper-V, go into your Hyper-V Manager, right-click on your DirectAccess virtual machine, and click on Settings….

Find your network adapter listed on the left and click on the ...

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