Windows System State backup (System State backup module) vs. System backup (MS Windows System backup module) of a domain controller

Frequently asked questions of Windows System backup and restore

Windows System State backup (System State backup module) vs. System backup (MS Windows System backup module) of a domain controller

Postby AdelineWong » Tue Sep 11, 2018 12:12 pm

There are two types of backup that you can perform to back up Active Directory Domain Services on a domain controller.
1). System State backup or a critical-volumes backup
2). MS Windows System backup

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1). System State backup or a critical-volumes backup

When performing system state backup, the system components that are included in the system state data depend on the server roles that are installed on the computer. A system state backup includes at least the following data, plus additional data, depending on the server roles that are installed:
- Registry
- COM+ Class Registration database
- Boot files
- Active Directory Certificate Services (AD CS) database
- Active Directory database (Ntds.dit)
- SYSVOL directory
- Cluster service information
- Microsoft Internet Information Services (IIS) metadirectory
- System files that are under Windows Resource Protection

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2). MS Windows System backup

With the MS Windows System backup module, you can backup all critical volumes, rather than only backing up system state data, this module backs up the selected volumes entirely.

When you backup the critical volumes on a domain controller with the MS Windows System backup module, the backup includes all data that resides on the volumes that include the following:
- The volume that hosts the boot files, which consist of the Bootmgr file and the Boot Configuration Data (BCD) store
- The volume that hosts the Windows operating system and the registry
- The volume that hosts the SYSVOL tree
- The volume that hosts the Active Directory database (Ntds.dit)
- The volume that hosts the Active Directory database log files

Note:
- A volume is considered critical if any system state file is reported on that particular volume.

System state backup vs. critical-volumes backup of a domain controller:
- According to Microsoft, the recommended method for backing up a domain controller is to use the wbadmin start systemstatebackup (System State backup module).
Adeline Wong
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