AzureRetirement
Azure App Service: linked databases in custom backups retirement
From 31 Mar 2028, the Azure App Service custom backup feature no longer backs up linked databases. Microsoft recommends the native backup and restore tools of each database instead.
Retires , 31 Mar 2028
What breaks
From 31 Mar 2028, the Azure App Service custom backup feature no longer backs up linked databases. App Service web applications with existing custom backups that already include linked databases keep backing up those databases until that date. Before that date, the option to include linked databases in new custom backup configurations is removed: November 2025 for linked MySQL and PostgreSQL databases, and April 2026 for linked Azure SQL and SQL Server databases.
What to do
- Implement a backup strategy for the databases linked to your App Service web applications before the retirement date.
- Use the native backup and restore tools available with the respective databases.
- For further information, see the Microsoft guidance.
Replacement
Native backup and restore tools of the respective databases
Sources
- Official sourceazure.microsoft.comOfficial
- Additional sourceaka.msOfficial
- Additional sourceaka.msOfficial
Last checked against the first source in this list on .
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