Server 2012 R2 VM recovery

We have a Hyper-v install with two guest vms - one DC and the other exchange 2013 (Sp1 CU13) - using server 2012 r2 (build 6900).
We are a small company with 10 users.

Due to a stupid mistake I have 'damaged' the essentials role on the DC and I cannot open the dashboard and the "Windows Server Essentials" services Email; Computer Backup; Management and Media Streaming will not start - I will raise this as a separate question.

I believe that I will need to recovery the system which I plan to do this weekend.

I have bare metal backups of the system;  the guest servers separated and in their own VHD.

Can I just recover the DC vm from two days ago (leaving the exchange VM untouched)  and basically restart the system.
This is to save me recovering lost emails if I recover the exchange server a few days.

If I'm obliged to recover both vms is there anything I can do now to ease the recovery of 3-4 days emails.

Thanks
Brian
Eur0star1Asked:
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Joshua HopkinsConnect With a Mentor PresidentCommented:
The short answer is yes you can.  The email recovery will be should be last if needed.  The best way to handle that as you dont have exchange level backups would be to export emails from the client workstations to pst files.  Then import them back in to their mailbox via outlook.  

Depending on the hardware the server should not take much more that 1 to 3 hours to get back up and test.  The emails are time consuming because you are doing them from each machine but you can start one then move on to the next one and have more than one running at the same time as well.
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Eur0star1Author Commented:
Just to clarify:

1) recover DC vm & test

2) if problems with exchange - recover exchange VM and use PST files to recover mail
  Can I assume that "do not import duplicates" works !

Thanks
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Joshua HopkinsPresidentCommented:
Yes that is correct.
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Eur0star1Author Commented:
Thanks
Being very new to the virtual arena I did not know whether recovering one VM from an earlier period would fully integrate with a current VM !
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Eur0star1Author Commented:
FYI

System fully recovered after DC recovery.  Did not need to recover Exchange VM.
Problem with Essentials resolved.

Thanks
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