# Document history
<a name="doc-history"></a>

The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/migration-sql-server.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Updated tables](#doc-history) | Updated the [SQL Server database migration methods](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/methods.html) and [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html) with the latest information. | April 25, 2025 | 
| [Updated section](#doc-history) | Added information about Amazon EBS Multi-Attach with persistent reservations and other options for deploying FCIs on AWS to the [Always On Failover Cluster Instances](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/ec2-fci.html) section. | April 1, 2024 | 
| [Updated information](#doc-history) | Updated the [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html) for SQL Server 2022. | March 18, 2024 | 
| [Updated information](#doc-history) | Updated the [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html) to reflect that Amazon RDS Custom now supports TDE. | November 16, 2023 | 
| [Added section](#doc-history) | Added information about [AWS Migration Hub Orchestrator](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/mho.html). | June 29, 2023 | 
| [Removed section](#doc-history) | Removed information about CloudEndure Migration, which is being discontinued. [AWS Application Migration Service](https://docs.aws.amazon.com/mgn/latest/ug/what-is-application-migration-service.html) is the primary migration service recommended for lift-and-shift migrations to the AWS Cloud. | September 23, 2022 | 
| [Updated section](#doc-history) | Added more information to the [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html). | August 3, 2022 | 
| [Added and updated sections](#doc-history) | Added information about [migrating SQL Server databases to Amazon RDS Custom](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/rds-custom-sql.html) and [using Babelfish](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/heterogeneous-migration-tools.html#babelfish) to migrate SQL Server databases to Aurora PostgreSQL. Updated the [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html) with the latest information. | July 29, 2022 | 
| [Corrected text](#doc-history) | Corrected the CLR information in the [decision matrix](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html). | June 21, 2022 | 
| [Updated section](#doc-history) | Updated the *CloudEndure Migration* section with the latest information about product availability. | May 10, 2022 | 
| [Removed section](#doc-history) | Removed information about Amazon RDS for VMware, which is no longer supported. | April 19, 2022 | 
| [Added section](#doc-history) | Added information about [AWS Launch Wizard for SQL Server](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/launch-wizard.html). | July 15, 2021 | 
| [Added decision matrix](#doc-history) | In the [Choosing between Amazon EC2 and Amazon RDS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/comparison.html) section, provided a side-by-side comparison of SQL Server support. | June 28, 2021 | 
| [Updated log shipping information](#doc-history) | In the [Log shipping](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-sql-server/log-shipping.html) section, clarified that log shipping on Amazon RDS for SQL Server requires custom scripts. | March 25, 2021 | 
| [Initial publication](#doc-history) | — | October 9, 2020 |