Your Amazon Aurora Global Database can replicate data across Regions in seconds, but what happens when users can’t authenticate because their authentication service is only available in one Region? As organizations increasingly adopt Aurora Global Database and Amazon Relational Database Service (Amazon RDS) cross-Region Replicas to achieve disaster recovery and global scalability, a single-Region authentication service creates a critical gap for database accessibility. While Aurora Global Database provides sub-second replication and smooth failover across Regions, authentication failures make your data inaccessible, even when your database remains operational.
In this post, we show you how to build a multi-Region Kerberos authentication system that matches your Aurora Global Database’s resilience using AWS Directory Service for Microsoft Active Directory (AWS Managed Microsoft AD) with multi-Region replication and a one-way forest trust to your on-premises Active…

