Active Directory -- Backup & Recovery ?

Currently I do
"FULL SYSTEM BARE METAL
Windows 2012 R2 System Backup"
backups weekly.

What is the best way to backup
my Windows 2012 R2 Active Directory
GROUPS/USERS/etc since I want to
make sure I can recover ?

Possible Links
  ** https://technet.microsoft.com/en-us/library/cc732081.aspx
  ** https://technet.microsoft.com/en-us/library/cc816677.aspx
  ** https://technet.microsoft.com/en-us/library/cc816584.aspx
  ** https://technet.microsoft.com/en-us/library/cc816751.aspx
finance_teacherAsked:
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Neil RussellTechnical Development LeadCommented:
The best and most obvious, against service outage or machine failure is multiple AD Servers.  No domain should really rely on a single domain controller.
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Will SzymkowskiSenior Solution ArchitectCommented:
There are several things to consider when you are recovering Active Directory. Based on the situation you are in will determine how you recover from AD. That is why it is critical that you have all of your bases covered...

- Althought multiple domain controllers is not an ACTUAL backup procedure/method it is recommened as you are creating redundancy within your AD environment, so it is always best to have multiple dc's

- System State backups are supported and good if you need to recover from a previously modified setting in active directory (like a schema change or a deleted directory). With system state you have Authroitative and non-authoritative which give you options for recover.

https://technet.microsoft.com/en-us/library/cc784922(v=ws.10).aspx

- With server 2012 you can also do DC cloning which is another method of recovery and also another way to quickly deploy domain controllers. There are dependancies when trying to configure this so you need to make sure that everything is properly configured before it will work properly. However this is also another good method of backing up and recovering your dc's.

As side from that you basically have covered all of your basis and you should be able to recover from any disaster that might happen.

Will.
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Pankaj SinghTechnical ManagerCommented:
There two things required to avoid any failure issues first is configure multiple DC in your domain i.e ADC, and second thing is take a systemstate Backup regularly and you need to check and always make sure that your DC is properly replicating with other DCs without any issues.
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