AWS drs: Note: DRS supports Windows x86_64 only, not arm64

Service: drs · 2026-09-27 · Documentation low

File: drs/latest/userguide/Supported-Operating-Systems-Windows.md

Summary

Adds a note clarifying that AWS Elastic Disaster Recovery supports Windows source servers only on x86_64 architecture and does not support Windows on arm64.

Security assessment

This is a platform compatibility clarification about supported CPU architectures for Windows source servers; it has no direct security implication.

Evidence

AWS Elastic Disaster Recovery supports Windows source servers on the `x86_64` architecture only. Elastic Disaster Recovery does not support Windows on `arm64`.

Diff

diff --git a/drs/latest/userguide/Supported-Operating-Systems-Windows.md b/drs/latest/userguide/Supported-Operating-Systems-Windows.md
index aa8a9c575..eb0365d28 100644
--- a//drs/latest/userguide/Supported-Operating-Systems-Windows.md
+++ b//drs/latest/userguide/Supported-Operating-Systems-Windows.md
@@ -20,0 +21,4 @@ AWS Elastic Disaster Recovery allows replication of physical, virtual or cloud-b
+###### Note
+
+AWS Elastic Disaster Recovery supports Windows source servers on the `x86_64` architecture only. Elastic Disaster Recovery does not support Windows on `arm64`.
+