Cloud SQL for SQL Server: Faster CMEK re-encryption with zero downtime
Cloud SQL for SQL Server now supports faster re-encryption of CMEK-protected instances and replicas, completing with zero downtime. This enhancement re-encrypts underlying disks in-place without creating backups, simplifying the process for users managing their own encryption keys. The change is effective immediately for all users of Cloud SQL for SQL Server.
Features (1) ›
- Cloud SQL for SQL Server
Cloud SQL for SQL Server now supports significantly faster re-encryption of instances and replicas protected by customer-managed encryption keys (CMEKs), and re-encryption now completes with zero downtime. The steps to re-encrypt your instances and replicas are unchanged, but the operation now re-encrypts the underlying disks in-place, without creating re-encryption backups. For more information, see Re-encrypt an existing CMEK-enabled instance or replica .
https://docs.cloud.google.com/release-notes#July_29_2026
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