AWS m2 documentation change
Summary
Updated service availability notice to announce closure of new customer access to self-managed experience and reiterate managed runtime environment closure
Security assessment
The change announces service availability changes without referencing any specific security vulnerability, incident, or weakness. The mention of 'security improvements' is general maintenance language without evidence of addressing a specific security issue.
Diff
diff --git a/m2/latest/userguide/mf-runtime-setup-troubleshoot.md b/m2/latest/userguide/mf-runtime-setup-troubleshoot.md index 94017c6f6..a1b02bbdb 100644 --- a//m2/latest/userguide/mf-runtime-setup-troubleshoot.md +++ b//m2/latest/userguide/mf-runtime-setup-troubleshoot.md @@ -9 +9,3 @@ Verify the Amazon EC2 instance has the IAM licensing roleUse the reachability an -AWS Mainframe Modernization Service (Managed Runtime Environment experience) is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). +After careful consideration, we have made the decision to close new customer access to **AWS Mainframe Modernization self-managed experience** , effective July 30, 2026. Existing customers can continue to use the service as normal. AWS continues to invest in security and availability improvements for AWS Mainframe Modernization self-managed experience, but we do not plan to introduce new features. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). + +**AWS Mainframe Modernization Service (Managed Runtime Environment experience)** is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html).