# Document history
Update

Added information about using AWS Transform and updated information about migrating SQL Server databases. Removed AWS services that are no longer available.Update

Added new license included options to the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) section.Update

Added information about Amazon EBS Multi-Attach to the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section.Update

Added link to Migration Validator Toolkit PowerShell module. Clarified instructions for using the *Tutorial: Set up a Windows HPC cluster on Amazon EC2* on the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section.Update

Updated the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section.Update

Updated list of supported instance types for Dedicated Hosts in the *Amazon EC2 Dedicated Hosts* section of the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) page.Update

Added complete list of supported instance families to the *Amazon EC2 Dedicated Hosts* section of the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) page.Update

Added BYOM guidance to the *Replatforming* section of the [Migrating SQL Server](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-sql-server-workloads.html.html) page.Initial publication

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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-microsoft-workloads-aws/migration-microsoft-workloads-aws.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Update](#doc-history) | Added information about using AWS Transform and updated information about migrating SQL Server databases. Removed AWS services that are no longer available. | March 13, 2026 | 
| [Update](#doc-history) | Added new license included options to the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) section. | February 27, 2025 | 
| [Update](#doc-history) | Added information about Amazon EBS Multi-Attach to the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section. | April 1, 2024 | 
| [Update](#doc-history) | Added link to Migration Validator Toolkit PowerShell module. Clarified instructions for using the *Tutorial: Set up a Windows HPC cluster on Amazon EC2* on the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section. | December 14, 2023 | 
| [Update](#doc-history) | Updated the [Migrating Windows failover clusters](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-failover-workloads.html) section. | December 8, 2023 | 
| [Update](#doc-history) | Updated list of supported instance types for Dedicated Hosts in the *Amazon EC2 Dedicated Hosts* section of the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) page. | November 16, 2023 | 
| [Update](#doc-history) | Added complete list of supported instance families to the *Amazon EC2 Dedicated Hosts* section of the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) page. | July 31, 2023 | 
| [Update](#doc-history) | Added BYOM guidance to the *Replatforming* section of the [Migrating SQL Server](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/migrating-sql-server-workloads.html.html) page. | June 23, 2023 | 
| [Initial publication](#doc-history) | — | June 9, 2023 |