An Azure backup service that provides built-in management at scale.
You might need to extend or reduce retention duration. When you do so, you can expect the following:
- If retention is extended, existing recovery points are marked and kept in accordance with the new policy.
- If retention is reduced, recovery points are marked for pruning in the next clean-up job, and subsequently deleted.
- The latest retention rules apply for all retention points (excluding on-demand retention points). So if the retention period is extended (for example to 100 days), then when the backup is taken, followed by retention reduction (for example from 100 days to seven days), all backup data will be retained according to the last specified retention period (that is, 7 days).
In general, you may try to revert the retention days back for a try (as the clean up is happening during the next cycle)