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At the moment, I have a 2012 R2 Standard server that hosts two virtual machines but also has AD DS role, as well as DNS/DHCP/File server roles. The domain is small (~30 users) and there's plenty of breathing room.

Would I benefit from creating additional VM (or VMs) and moving all the roles but Hyper-V to them? Is it worth the effort? What benefits do I get? What problems will I have if I don't do it?

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    Would I benefit from creating additional VM (or VMs) and moving all the roles but Hyper-V to them? - Yes.
    – joeqwerty
    Oct 6, 2017 at 18:32
  • @joeqwerty understood and added more questions
    – dfo
    Oct 6, 2017 at 18:51

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Would I benefit from creating additional VM (or VMs) and moving all the roles but Hyper-V to them?

Yes, really easier for maintenance, some examples;

  • It allow you to quickly snapshot your server before a change (and go back in case of a fail)
  • It allow you to move the VHDX file easily in case of a server crass (if you have a backup off course) You are no longer bond to a physical server. A example, the server crash you can restart the server on any computer with hyper-v enabled.
  • The day you got a second hyper-v's host with a shared storage, you could migrate from a host to another to do maintenance in the physical's host.

Yes for the licensing as you will be more covered, as Microsoft allow a free usage of a hyperv host if no other role is on it. One standard give you 2 vm usage + the hyperv host. (1:2, but your core must be licensed correctly).

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from there

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  • I don't need to worry about the licenses for now. One of the VMs runs Linux and another is a temporary one, for some testing purposes. How exactly will maintenance get easier? I'm missing a point here.
    – dfo
    Oct 6, 2017 at 19:55
  • @dfo for the maintenance; After a backup, you can restore where you want in case of a crash, not tied to a machine x. Before installing something you can snapshot the server
    – yagmoth555
    Oct 6, 2017 at 20:03

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