Amazon RDS Proxy , a fully managed, highly available database proxy for Amazon Relational Database Service (RDS) , now supports Amazon RDS for SQL Server instances running major version 2022. Amazon RDS Proxy sits between your application and the database to pool and share established database connections, improving database efficiency and application scalability. For Amazon RDS for SQL Server Multi-AZ databases, RDS Proxy automatically connects to the standby database instance during a failure, preserves application connections, and helps reduce failover times by up to 83%.