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AWS m2 documentation change

Service: m2 · 2025-10-10 · Documentation low

File: m2/latest/userguide/security_iam_troubleshoot.md

Summary

Replaced AWS Transform promotional text with notice about Managed Runtime Environment experience deprecation for new customers after November 7, 2025

Security assessment

Change concerns service availability timeline rather than security configuration or vulnerability resolution

Diff

diff --git a/m2/latest/userguide/security_iam_troubleshoot.md b/m2/latest/userguide/security_iam_troubleshoot.md
index 5d0f3d645..923766e1f 100644
--- a//m2/latest/userguide/security_iam_troubleshoot.md
+++ b//m2/latest/userguide/security_iam_troubleshoot.md
@@ -7 +7 @@ I am not authorized to perform iam:PassRoleI want to allow people outside of my
-NEW - You can now accelerate your migration and modernization with AWS Transform. Read [Getting Started](https://docs.aws.amazon.com/transform/latest/userguide/getting-started.html) in the _AWS Transform User Guide_.
+AWS Mainframe Modernization Service (Managed Runtime Environment experience) will no longer be open to new customers starting on November 7, 2025. If you would like to use the service, please sign up prior to November 7, 2025. 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).