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AWS elasticloadbalancing documentation change

Service: elasticloadbalancing · 2025-06-04 · Documentation low

File: elasticloadbalancing/latest/network/start-zonal-shift.md

Summary

Added prerequisite note to verify zonal shift is enabled before starting a shift

Security assessment

The change adds a procedural prerequisite but does not relate to security features or vulnerabilities. It concerns operational readiness rather than security controls.

Diff

diff --git a/elasticloadbalancing/latest/network/start-zonal-shift.md b/elasticloadbalancing/latest/network/start-zonal-shift.md
index c11a01690..77a5524e5 100644
--- a//elasticloadbalancing/latest/network/start-zonal-shift.md
+++ b//elasticloadbalancing/latest/network/start-zonal-shift.md
@@ -8,0 +9,4 @@ The steps in this procedure explain how to start a zonal shift using the Amazon
+###### Prerequisite
+
+Before you begin, verify that you [enabled zonal shift](./enable-zonal-shift.html#enable-zonal-shift.title) for the Network Load Balancer.
+