AWS directoryservice documentation change

Service: directoryservice · 2026-06-13 · Documentation low

File: directoryservice/latest/admin-guide/create_hybrid_directory_prereqs.md

Summary

Added prerequisite for DNS `_msdcs` zone modernization and updated sidebar link.

Security assessment

Added documentation about DNS security best practices (modernizing `_msdcs` zones) but doesn't address a specific vulnerability.

Diff

diff --git a/directoryservice/latest/admin-guide/create_hybrid_directory_prereqs.md b/directoryservice/latest/admin-guide/create_hybrid_directory_prereqs.md
index 8a9c663e1..cec82f0dc 100644
--- a//directoryservice/latest/admin-guide/create_hybrid_directory_prereqs.md
+++ b//directoryservice/latest/admin-guide/create_hybrid_directory_prereqs.md
@@ -38,0 +39,2 @@ You can add additional IP routes for the directory after the hybrid directory is
+  * Ensure DNS `_msdcs` zones are modernized. See [DNS `_msdcs` zone modernization](https://docs.aws.amazon.com/directoryservice/latest/admin-guide/hybrid_directory_msdcs.html).
+
@@ -360 +362 @@ AWS Managed Microsoft AD (Hybrid Edition)
-Creating a hybrid directory
+DNS _msdcs zone modernization