What folders should be backed up on a 2012 Server FSMO Domain Controller

cja-tech-guy
cja-tech-guy used Ask the Experts™
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What folders should I backup on the 20102 Server FSMO domain controller so that I could restore the domain if both DC's went down.  Currently I'm backing up to tape.


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cja
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MaheshArchitect
Distinguished Expert 2018

Commented:
Backup system state of fsmo holder server daily, it contains all ad configuration and you can restore system state in case required

Also backup system state of adc as well

U should always take system state backup of pdc and one adc

Author

Commented:
AttachedBackup.pdf is a picture of what is being backed up on the FSMO DC and the other DC.  Is this correct?
MaheshArchitect
Distinguished Expert 2018

Commented:
The fsmo server is backing up wrongly
Use system state backup instead for fsmo server as well
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Author

Commented:
The tape drive is connected to the other DC and the FSMO is being backed up from it.  I do not see the "system state" folder on the FSMO when I browse from the backup program.   What folder on the C drive of the FSMO would hold the system state information?
MaheshArchitect
Distinguished Expert 2018

Commented:
U need to connect to client agent of fsmo server, then only you can get system state option
Distinguished Expert 2018

Commented:
Just to clear up the confusion: system state isn't a set of folders. It is a particular type of backup. When a backup program (or client agent) performs a system state backup, it uses windows APIs to tell the system it is performing a backup and the OS does some cleanup and database work to ensure the entire backup is in a consistent state.

Most programs that use database backends need this treatment. That's why your agent has special categories for Exchange (uses a database), SQL, and SharePoint. You can't just back up a bunch of folders for exchange either. The agent has to tell exchanhe to reconcile, thus the special category.

To back up a domain controller, you need to back up system state. And that'll require an agent on the machine, not just a bunch of folders over the network.

Author

Commented:
So I need the Arcserve agent installed on the FSMO?

Author

Commented:
If I'm backing up the System State on the other domain controller, not the FSMO, is that sufficient to restore AD if necessary?

Thanks
Distinguished Expert 2018
Commented:
That'd be unwise. You really should back up any DC with any of the FSMO roles, plus one.
MaheshArchitect
Distinguished Expert 2018
Commented:
Server holding fsmo is considered as up to date server and hence it should be backed up
If u cannot take current fsmo system state then transfer fsmo to other dc where you are taking system state backup

Author

Commented:
Ok. I transferred the 5 FSMO roles to the DC that has the tape drive attached and will backup the system state on that DC.

Should I backup the SYSVOl and NETLogon folders on the other DC that DOES NOT have FSMO roles?

Thanks

Author

Commented:
I meant to give Mahesh credit for the answer. I clicked the wrong expert. How do I correct this?

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