AWS medialive documentation change

Service: medialive · 2026-04-01 · Documentation low

File: medialive/latest/ug/pipeline-locking-tshoot.md

Summary

Updated troubleshooting guidance for pipeline locking, adding reference to ComplexFRCPresent CloudWatch metric and clarifying steps for video aligned pipeline locking with InputVideoAligned metric.

Security assessment

This change improves operational troubleshooting documentation for MediaLive pipeline locking features. It adds guidance on using CloudWatch metrics for diagnostics but contains no security-related content or references to security issues.

Diff

diff --git a/medialive/latest/ug/pipeline-locking-tshoot.md b/medialive/latest/ug/pipeline-locking-tshoot.md
index f0eed7b1c..f578b5d94 100644
--- a//medialive/latest/ug/pipeline-locking-tshoot.md
+++ b//medialive/latest/ug/pipeline-locking-tshoot.md
@@ -23 +23 @@ These troubleshooting steps apply to all pipeline locking methods:
-  * Make sure that the input framerate and output framerate are a [simple conversion](./pipeline-locking-verify-input.html#pipeline-locking-requirements-frame-rate) of each other.
+  * Check the **ComplexFRCPresent** CloudWatch metric. A value of 1 indicates that Medialive is performing complex framerate conversion and is not attempting to lock pipelines. Pipeline locking only supports [simple framerate conversions](./pipeline-locking-verify-input.html#pipeline-locking-requirements-frame-rate). 
@@ -53 +53 @@ If you are using video aligned pipeline locking (**Pipeline locking method** set
-  * Check the **PipelinesLocked** CloudWatch metric. Video aligned pipeline locking reports its locked status through this same metric. A value of 1 indicates successful synchronization.
+  * Check the **InputVideoAligned** CloudWatch metric. A value of 1 indicates pipeline locking has successfully aligned the input video content between pipelines. If the value is 0: 
@@ -56,0 +57,2 @@ If you are using video aligned pipeline locking (**Pipeline locking method** set
+  * Check the **PipelinesLocked** CloudWatch metric. Video aligned pipeline locking reports its locked status through this same metric. A value of 1 indicates successful synchronization.
+