A simple restore will reload only the Active Directory Database. It makes no other changes to your computer. It is the quickest and easiest way to restore the AD database.
A simple restore will reload only the Active Directory database files (typically C:\Windows\NTDS\*) and the System Volume (typically C:\Windows\SYSVOL\*).
A simple restore can only be done on the original computer where the backup was made.
Windows Server 2008-2016: A simple restore can reload AD from a backup of the System State created by Windows Server Backup (wbadmin start systemstatebackup).
Windows Server 2003: A simple restore can reload AD from a backup of the System State created by NTBACKUP.
Contrast with Comprehensive Restore
A comprehensive restore is required when moving AD to a new computer.
Advantage of a Simple Restore
The advantage of a simple restore is that it requires only the System State, runs quickly, and makes minimal changes to your computer. It restores only the NTDS files and the SYSVOL folder.
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