AWS Transform for full-stack Windows modernization now supports offline schema transformation to Aurora PostgreSQL

Published
August 3, 2026
https://aws.amazon.com/about-aws/whats-new/2026/7/aws-transform-windows-sql-schema-aurora

AWS Transform for Full-Stack Windows Modernization

AWS Transform has announced the general availability of offline source transformation, allowing customers to modernize Microsoft SQL Server databases to Amazon Aurora PostgreSQL without needing a live database connection. This feature enables enterprises to modernize legacy.NET applications and their SQL Server databases by uploading Data Design Language (DDL) source files.

Key Features

  • Converts SQL Server storage and code objects using AWS DMS and an interactive experience.
  • Uploads SQL Server DDL files, assesses complexity, and generates a transformation plan.
  • Converts tables, schemas, and code objects, validates functional equivalence, and deploys to Aurora PostgreSQL.
  • Transforms .NET applications to be PostgreSQL compatible with updated connection strings and data-access calls.
  • Iterates on conversion issues in the web console or hands off to preferred IDE using AWS Transform MCP server.
  • Synthetic data workflow populates Aurora PostgreSQL with test data for application validation.

Availability

AWS Transform for full-stack Windows modernization and offline source transformation is available in US East (N. Virginia).

What to do

Source: AWS release notes




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