regular full backup on secondary replica

Chaitanya Kiran 696 Reputation points

In Availability Groups(AG), can we take regular full backup on secondary replica

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
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  1. Marcin Policht 9,580 Reputation points MVP

    Copy-only full backup - as per

    Backup Types Supported on Secondary Replicas

    • BACKUP DATABASE supports only copy-only full backups of databases, files, or filegroups when it's executed on secondary replicas. Copy-only backups don't impact the log chain or clear the differential bitmap.

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  2. LucyChen-MSFT 635 Reputation points Microsoft Vendor

    Hi @Chaitanya Kiran,

    We cannot take regular full backup on secondary replica, it will change the database, you can take COPY_ONLY backup. Hope this article can help you well.

    In addition, here is a known issue:, I hope this can help you understand.

    Best regards,

    Lucy Chen

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