Merge pull request #285381 from sreekzz/patch-82

Added a note for update section

Author: prmerger-automator[bot]

articles/hdinsight/hdinsight-release-notes.md

@@ -50,7 +50,11 @@ For workload specific versions, see [HDInsight 5.x component versions](./hdinsig
 
 **[Addition of Azure Monitor Agent](./azure-monitor-agent.md) for Log Analytics in HDInsight**
 
-Addition of `SystemMSI` and Automated DCR for Log analytics, given the deprecation of [New Azure Monitor experience (preview)](./hdinsight-hadoop-oms-log-analytics-tutorial.md) .
+Addition of `SystemMSI` and Automated DCR for Log analytics, given the deprecation of [New Azure Monitor experience (preview)](./hdinsight-hadoop-oms-log-analytics-tutorial.md).
+
+> [!NOTE]
+> Effective Image number 2407260448, customers using portal for log analytics will have default [Azure Monitor Agent](./azure-monitor-agent.md) experience. In case you wish to switch to Azure Monitor experience (preview), you can pin your clusters to old images by creating a [support request](https://portal.azure.com/#blade/Microsoft_Azure_Support/HelpAndSupportBlade/newsupportrequest).
+
 
 ## :::image type="icon" border="false" source="./media/hdinsight-release-notes/clock.svg"::: Coming soon