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Unlocking Cost Savings: BYOM for Amazon RDS SQL Server

5 min read AWS BlogJun 8, 2026Reviewed for accuracy
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PractitionerHands-on experience recommended

In the cloud landscape, cost efficiency is paramount. BYOM for Amazon RDS for SQL Server addresses this by allowing organizations to reuse their existing Microsoft SQL Server licenses when migrating applications from on-premises environments. This means you can avoid the hefty costs associated with new licenses while still taking advantage of the scalability and reliability of AWS.

The mechanism is straightforward: customers can utilize Microsoft’s License Mobility program to bring their existing licenses, including Software Assurance, into Amazon RDS. This integration with AWS License Manager not only facilitates the reuse of licenses but also ensures that you can track usage and maintain compliance effortlessly. This is crucial for organizations that need to adhere to strict licensing agreements while optimizing their cloud expenditures.

In production, the BYOM feature can significantly reduce your operational costs, especially for large-scale SQL Server deployments. However, it’s essential to keep an eye on your license usage to avoid compliance issues. Additionally, with the recent support for Kubernetes version 1.36 in Amazon EKS, you can leverage container orchestration alongside your SQL Server workloads for enhanced flexibility and management. Ensure your team is familiar with the AWS License Manager to make the most of this feature.

Key takeaways

  • Leverage existing Microsoft SQL Server licenses to reduce cloud migration costs.
  • Utilize AWS License Manager for tracking license usage and compliance.
  • Integrate BYOM with your existing SQL Server applications seamlessly.
  • Stay compliant with Microsoft’s License Mobility program during migrations.
  • Monitor license usage closely to avoid potential compliance pitfalls.

Why it matters

This feature can lead to significant cost savings for organizations migrating SQL Server applications to AWS, allowing them to allocate resources more efficiently while ensuring compliance with licensing agreements.

When NOT to use this

The official docs don't call out specific anti-patterns here. Use your judgment based on your scale and requirements.

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