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

The following table describes the important changes to the documentation since the last release of AMS.
+ **API version: 2019-05-21**
+ **Latest documentation update: **September 23, 2025


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| Change | Description | Date | 
| --- | --- | --- | 
| Updated Log retention and rotation defaults in SALZ: Default settings section |  [ Log retention and rotation defaults ](https://docs.aws.amazon.com/managedservices/latest/onboardingguide/log-defaults.html).<br />Updated information about AWS CloudTrail logs. | February 11, 2026 | 
| Updated change type for endpoint autoscaling in SageMaker AI in AWS Managed Services FAQ section |  [ Use AMS SSP to provision Amazon SageMaker AI in your AMS account](https://docs.aws.amazon.com/managedservices/latest/onboardingguide/sagemaker.html#set-sagemaker-faqs).<br />Submit a RFC with Management \| Advanced stack components \| Identity and Access Management (IAM) \| Update entity or policy (managed automation) change type (ct-27tuth19k52b4) to elevate autoscaling permissions temporarily, or permanently, as autoscaling requires permissive access on CloudWatch service. | September 25, 2025 | 
| Precise change type references |  [ Create, Change, or Delete Security Groups](https://docs.aws.amazon.com/managedservices/latest/onboardingguide/about-security-groups.html#create-security-group).<br />To add a user: Submit an RFC using Management \| Directory Service \| Users and groups \| Add user to group [ct-24pi85mjtza8k] and To remove a user: Submit an RFC using Management \| Directory Service \| Users and groups \| Remove user from group [ct-2019s9y3nfml4] | August 08, 2025 | 
| TOC link removed | TOC [AWS Glossary](https://docs.aws.amazon.com/glossary/latest/reference/glos-chap.html) link removed. | August 08, 2025 | 
| Added link for prescription guidance | [Set up consolidated billing–link new account to Payer account](set-up-consolidated-billing.md). | May 08, 2025 | 
| Updated instructions to activate IAM access to the AWS Management Console | Clarified the instructions for activating IAM access to the AWS Management Console. | [Activate IAM access to the AWS console](activate-iam-access-to-console.md) | 
| Updated number of allowed transit virtual interfaces on Direct Connect dedicated connections | Direct Connect dedicated connections now have a limit of 4 transit virtual interfaces per connection  | [Connecting Direct Connect to Transit Gateway](setup-net-connect-to-tg.md) | 
| Improve wording. | Specified that "only used as a "Deny" list " must include "Allow All" to ensure AMS monitoring and management operations. | [Network configuration](core-questions-network.md) | 
| Additional information on using the AMS CLI. | "Added note that the `--region` option may be needed for some CLI commands" | [Install the AMS CLIs](install-cli.md) | 
| Updated: Chapter headings for consistency and readabiliy, moved some topic sub-sections into more appropriate sections | "Modes for change management" is the new heading for "Change management" | [Change management modes](using-change-management.md) | 
| Updated content | The AMS mode previously known as "Change Management mode" or "Standard CM mode" is now known as "RFC mode." The modes section has been expanded. | [RFC mode](rfc-mode.md). | 
| Updated content | The AMS mode previously known as "Change Management mode" or "Standard CM mode" is now known as "RFC mode." The modes section has been shortened and links to the *AMS Advanced User Guide* sections on modes added. | [AMS modes](ams-modes-og.md). | 
| MALZ: Updated network architecture diagram | [Networking account architecture](malz-network-arch.md)m | June 16, 2022 | 
| Moved topic list to below opening paragraphs | [AWS Managed Services Onboarding Introduction](og-intro.md) | June 16, 2022 | 
| Updated content, inclusive language initiative | "Management account" not "Master account. | [IAM user role in AMS](defaults-user-role.md), "Policy examples" section | 
| Updated content, Tools account role names | Updated role name CustomerMigrationAccessRole to AWSManagedServicesMigrationRole. | [AWS Application Migration Service (AWS MGN)](tools-account-mgn.md) | 
| SALZ: Continuity management defaults | Updated link and removed obsolete information from [VPC tag and defaults](vpc-tag-and-defaults.md)  | February 28, 2022 |