diff --git a/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt b/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
index 8ab7eee24..dc554b455 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
@@ -205,7 +205,7 @@ class AlertingSettings {
 
         val CROSS_CLUSTER_MONITORING_ENABLED = Setting.boolSetting(
             "plugins.alerting.cross_cluster_monitoring_enabled",
-            false,
+            true,
             Setting.Property.NodeScope, Setting.Property.Dynamic
         )