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Domain Controller on top of Hyper-V - Firewall problem

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Hi!

I have:

1. A single physical server which is a Hyper-V host running Windows Server 2012 R2.

2. A single Windows Server 2012 R2 Essentials Guest VM running on top and acting as a domain controller.

Now I have researched a lot whether I should join the host to the domain running on top of it or leave it in a separate workgroup. There is no best practice but many sources confirm that this is possible and joining the domain offers many management benefits, e.g. here see Option #4:

http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/11/24/the-domain-controller-dilemma.aspx

Now the problem is that after having joined the host to the domain sometimes everything works fine and the host manages to join the domain on startup but sometimes this seems to fail - I think that the join process times out as the DC in the Guest VM does not start up in time. In this case the firewall tells me that the host is connected to a "public network" instead of the "domain network" and I cannot connect to the server via remote desktop as this is not allowed by default. If I disable and reenable the network adapter the "domain network" is recognized fine but this has to be done manually.

I wonder if anyone else has experienced this problem and can recommend some good workaround.

Thanks in advance.

Anguel




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