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

| Change | Description | Date | 
| --- |--- |--- |
| [Update](#doc-history) | We made updates to the [Microsoft licensing on AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-microsoft-workloads-aws/licensing-microsoft-workloads.html) section. | April 21, 2026 | 
| [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 |