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Recovery Manager for AD Forest Edition 10.3.1 - User Guide

Overview Getting started
Permissions required to use Recovery Manager for Active Directory Recovery Manager Console Getting and using help Configuring Windows Firewall Using Computer Collections Hybrid Recovery with On Demand Recovery Managing Recovery Manager for Active Directory configuration Licensing
Backing up data
Permissions required for the Backup operation Managing Backup Agent Using a least-privileged user account to back up data Using Managed Service Accounts Active Directory backups vs Windows System State backups Creating BMR and Active Directory backups Using the Backup Wizard Retrying backup creation Enabling backup encryption Backing up AD LDS (ADAM) Backing up cross-domain group membership Backing up distributed file system (DFS) data Backup scheduling Setting performance options Setting advanced backup options Using Forest Recovery Agent Unpacking backups Using e-mail notification Viewing backup creation results
Restoring data
Getting started with Active Directory recovery Managing deleted or recycled objects Restoring backed up Active Directory components Integration with Change Auditor for Active Directory Using granular online restore Restoring AD LDS (ADAM) Selectively restoring Active Directory object attributes Restoring objects in an application directory partition Restoring object quotas Restoring cross-domain group membership Performing a restore without having administrator privileges Reports about objects and operations Using complete offline restore Offline restore implications Restoring SYSVOL authoritatively Performing a granular restore of SYSVOL Recovering Group Policy Restoring data from third-party backups Using the Extract Wizard Restoring passwords and SID history
Full Replication Consolidating backup registration data Recovering an Active Directory forest
Forest recovery overview Deploying Recovery Manager for Active Directory Forest Edition (Disaster Recovery Edition) Permissions required to use Forest Recovery Console Forest Recovery Console Managing a recovery project Recovery methods Phased recovery Managing Forest Recovery Agent Rebooting domain controllers manually Resetting DSRM Administrator Password Purging Kerberos Tickets Managing the Global Catalog servers Managing FSMO roles Manage DNS Client Settings Configuring Windows Firewall Developing a custom forest recovery plan Backing up domain controllers Assigning a preferred DNS server during recovery Handling DNS servers during recovery Forest recovery approaches Deciding which backups to use Running custom scripts while recovering a forest Overview of steps to recover a forest Viewing forest recovery progress Viewing recovery plan Viewing a report about forest recovery or verify settings operation Handling failed domain controllers Adding a domain controller to a running recovery operation Selectively recovering domains in a forest Recovering SYSVOL Deleting domains during recovery Resuming an interrupted forest recovery Recovering read-only domain controllers (RODCs) Checking forest health Collecting diagnostic data for technical support
Using Management Shell Appendices
Frequently asked questions Best practices for using Computer Collections Technical characteristics Best practices for creating backups Best practices for creating backups for forest recovery Best practices for recovering a forest Descriptions of recovery or verification steps Ports Used by Recovery Manager for Active Directory Forest Edition (Disaster Recovery Edition) Backup Wizard Online Restore Wizard Online Restore Wizard for AD LDS (ADAM) Group Policy Restore Wizard Repair Wizard Extract Wizard Events generated by Recovery Manager for Active Directory

Authoritative restore

In this section:

 

DIT database

With the Repair Wizard, you can perform an authoritative restore of Active Directory®. The wizard allows you to mark the entire Active Directory® database, a single subtree, or an individual object as authoritatively restored.

To mark AD objects, subtree, or the entire AD database as authoritative, Recovery Manager for Active Directory uses the capabilities provided by the Ntdsutil.exe tool supplied with Microsoft Windows. However, this tool included in Windows Server® 2008 or higher does not support marking the entire AD database as authoritative.

As a result, the wizard increments the version number of the attributes of all objects in the entire directory, all objects in the subtree, or the particular object to make it authoritative for the directory.

An authoritative restore can only be carried out on objects from the configuration and domain naming contexts. Authoritative restore of the schema-naming context is not supported.

 

SYSVOL

When performing an authoritative restore of the Active Directory® database, you should also perform an authoritative restore of the SYSVOL. With the Repair Wizard, the authoritative restore of the SYSVOL does not occur automatically. To do that, you should follow the procedure outlined in the next section.

By restoring the SYSVOL authoritatively, you specify that the restored copy of SYSVOL is authoritative for the domain. As a result, the replication service replicates the local SYSVOL out to the other domain controllers within the domain.

The bandwidth associated with such replication should be considered in case of an extensive use of large Group Policy objects and logon scripts in the domain.

Since the Online Restore Wizard and Group Policy Restore Wizard allow you to authoritatively restore directory data with minimal effort and overhead, we recommend you to use those wizards rather than the Repair Wizard when you need to recover/undelete individual Active Directory® objects and Group Policy objects.

 

Restoring SYSVOL authoritatively

When you have performed an authoritative restore of Active Directory® using the Repair Wizard, additional steps must be taken to restore the SYSVOL authoritatively. By doing this, you are telling the other domain controllers in the domain that the SYSVOL information on the restored domain controller is authoritative. As a result, the files and folders contained under SYSVOL on the restored domain controller are replicated out to all other domain controllers in the domain.

To restore SYSVOL authoritatively

  1. Use the Repair Wizard to restore Active Directory® on the target domain controller.

  2. After the Repair Wizard completes the restore, start the Extract Wizard.

  3. Follow the instructions in the Extract Wizard.

  4. On the Backup Selection page, select the SYSVOL component of the backup you want to use. The SYSVOL component is located in the Active Directory branch of the backup:

  5. On the Folder Selection page, specify the folder for the SYSVOL data.

  6. Follow the Extract Wizard to restore the SYSVOL data from the backup to the specified folder.

  7. After the Extract Wizard is completed, ensure that the domain controller where you want to authoritatively restore SYSVOL is started in normal mode and the SYSVOL share is published, that is, the SYSVOL shared folder and its sub-folders are displayed in Computer Management for that domain controller.

  8. Copy the restored by the Extract Wizard SYSVOL folder over the original SYSVOL folder.

When authoritatively restoring the SYSVOL, it is important that you copy SYSVOL data from the alternate location after the SYSVOL share is published.

If the computer is in a replicated domain, it can take several minutes before the SYSVOL share is published, because it needs to synchronize with its replication partners.

If there is no other functioning domain controller in the domain, a primary restore of the SYSVOL should be done. When restoring the SYSVOL, the Repair Wizard allows you to mark the SYSVOL for primary restore. A primary restore builds a new replication service database by loading the data present under SYSVOL on the local domain controller.

Given that each Group Policy object is comprised of the Group Policy Container and Group Policy Template, when a Group Policy Container is authoritatively restored by using the Repair Wizard or Online Restore Wizard, the corresponding Group Policy Template must then be authoritatively restored as part of the SYSVOL. Since selective restoration of the SYSVOL data is time-consuming and requires considerable expertise, we recommend that restoration of Group Policy objects be performed by using the Group Policy Restore Wizard, which authoritatively restores both Group Policy Containers and Group Policy Templates, and ensures that Group Policy objects are properly restored with minimal administrative overhead.

 

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