What does an authoritative restore do?

Authoritative restore allows you to mark the OU as authoritative and force the replication process to restore it to all the other domain controllers in the domain.

When restoring a domain controller What happens during an authoritative restore?

With an authoritative restore, the DC claims itself as the only one with correct information and a valid database, and it authoritatively updates other DCs with its own data.

How do you do non-authoritative restore?

On the Select Recovery screen, select System State. Select Original location to perform non-authoritative restore. Click on “Recover” button on the Confirmation step in order to start the recovery process. Wait until the AD domain controller recovery is complete.

What is authoritative domain controller?

An Authoritative restore means you set 1 Domain Controller as the master replica for all other Domain Controllers. This Domain Controller will not try to replicate from another Domain Controller. A Non-Authoritative restore means that this Domain Controller will attempt to replicate from any other Domain Controller.

Is it OK to restore a domain controller from backup?

You can use one of two methods to restore a domain controller from a previously created backup: nonauthoritative or authoritative restore.

How do I restore my Active Directory domain?

Run the msconfig command, go to the Boot tab and select the Active Directory Repair option. After restarting Windows Server will boot into DSRM mode (Directory Services Restore Mode). Start Windows Server Backup (wbadmin) and select Recover.

What is a authoritative DNS?

Authoritative DNS is the system that takes an address, like google.com, and provides an answer about the resources in that zone. The typical transaction looks something like this: User types an address into a web browser, or an application calls out to a given name of a resource on the Internet.

What is an authoritative DNS response?

Any response to a DNS query that originates from a DNS server with a complete copy of the zone file is said to be an ‘authoritative response’.

Which domain controller is authoritative?

What is DNS authoritative response?

Any response to a DNS query that originates from a DNS server with a complete copy of the zone file is said to be an ‘authoritative response’. What complicates matters is that DNS servers cache the answers they receive.

How do you do non authoritative restore?

Why would you not restore a domain controller?

Yeah, restoring such an old backup will get you more trouble because the secure channel passwords expired too, so no client will talk to this DC and you will have to rejoin all clients to the AD. All in all this is not a good idea.

What are the methods to restore Active Directory?

How do I restore Active Directory?

  1. Reboot the computer.
  2. At the boot menu, select Windows 2000 Server. Don’t press Enter.
  3. Scroll down, and select Directory Services Restore Mode (Windows NT domain controllers only).
  4. Press Enter.
  5. When you return to the Windows 2000 Server boot menu, press Enter.

What is an authoritative restore?

This link gives a pretty in-depth look at the procedure, however, some important points I want to call out on this post are: An authoritative restore is used if you are recovering objects from Active Directory that have either been deleted or changed and you need to restore those objects to their previous state.

How do I restore an object in a subtree as authoritative?

Marks subtree %s (and all children of the subtree) as being authoritative. This option also generates a text file that contains the distinguished names of the restored objects and an LDIF file that can be used to restore back-links for objects that are being authoritatively restored (such as group memberships of users).

Why is authoritative restore not working in my group?

Group membership is often a pain to control; it is certainly amongst the most difficult attributes to script. The specific problem with an Authoritative Restore is when the group was created in Windows 2000 rather than Windows 2003.

How do I perform an authoritative restore of SYSVOL?

There are different ways to perform an authoritative restore of SYSVOL. You can either edit the msDFSR-Options attribute or perform a system state restore using wbadmin –authsysvol.