Restore FSMO DC

Chong 846 Reputation points
2024-01-30T09:46:02.3333333+00:00

Hi Support, I have DC1 (FSMO) and DC2 in out AD and it have backup everyday. We need to restore the DC1 from 2 days ago. As the DC1 didn't update after restore, do it will sync the information from DC2 automatically? Or any additional step we need to perform (authoritative restore or non-authoritative restore)?

Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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Windows Server Backup
Windows Server Backup
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Backup: A duplicate copy of a program, a disk, or data, made either for archiving purposes or for safeguarding valuable files from loss should the active copy be damaged or destroyed.
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  1. Thameur-BOURBITA 32,621 Reputation points
    2024-01-30T10:25:00.5433333+00:00

    Hi @Chong •

    If you will restore the DC1 from a backup 2 days ago , yes it will replicate automatically and update its information with DC2. Because the backup does not exceed tombstone lifetime.

    An authoritative restore is required when you need to restore a specific object from a backup. In this case there is an additional step which involves marking the object to be restored to be replicated from a backup during the domain controllers restoration :

    How to perform Authoritative Restore of Active Directory Objects

    A nonauthoritative restore , is required when you need to restore a a domain controller from a backup and let it replicate from another healthy domain controller.

    Please don't forget to accept helpful answer

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