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Home » Kerio User Forums » Kerio Control » Kerio Control and Hyper-V cluster VM migration (Problem with network adapters re-detection)
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azhur

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We have cluster of 4 servers with Windows Server 2012 R2 hypervisor running.
One of VMs running on this cluster is Kerio Control 8.3.1 build 2108.
And this VM have one specific problem with network adapters and VM migration:
If I migrate this VM from one cluster's host to another - all works fine until VM reboot.
But after reboot VM discovers new network adapters|interfaces instead of old ones.
And Kerio Control not function properly until I manually re-configure new interfaces with valid IP, mask e.t.c.

Any ideas how to fix this issue?
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azhur

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Looks like I found source of the problem and workaround to solve it.
Source of problem:
By default, at Hyper-V all NICs are created with dynamic MACs, and they change on server-to-server migration of VM (and maybe in some other cases).
And for KC new MACs = new NICs => default NICs settings.
Solution - assign static MACs to all NICs of Kerio Control virtual machine.
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