diff --git a/internal/services/containers/kubernetes_cluster_resource.go b/internal/services/containers/kubernetes_cluster_resource.go
index 56ad5b2af894..42284c776379 100644
--- a/internal/services/containers/kubernetes_cluster_resource.go
+++ b/internal/services/containers/kubernetes_cluster_resource.go
@@ -4626,6 +4626,9 @@ func expandKubernetesClusterUpgradeOverrideSetting(input []interface{}) *managed
 	if len(input) == 0 || input[0] == nil {
 		return &managedclusters.ClusterUpgradeSettings{
 			OverrideSettings: &managedclusters.UpgradeOverrideSettings{
+				// The forceUpgrade field controls the overrideUpgradeSetting feature.
+				// If overrideUpgradeSetting is not specified, set forceUpgrade to false to disable the feature.
+				// Not passing this field to the API will not disable the feature.
 				ForceUpgrade: pointer.To(false),
 			},
 		}
diff --git a/internal/services/containers/kubernetes_cluster_resource_test.go b/internal/services/containers/kubernetes_cluster_resource_test.go
index 99dd71224f35..116e1ba00ea3 100644
--- a/internal/services/containers/kubernetes_cluster_resource_test.go
+++ b/internal/services/containers/kubernetes_cluster_resource_test.go
@@ -959,8 +959,7 @@ func (KubernetesClusterResource) upgradeOverrideSetting(data acceptance.TestData
 		upgradeOverrideSetting = fmt.Sprintf(`
   upgrade_override {
 	effective_until = "%s"
-  }`, time.Now().Add(8*time.Minute).Format(time.RFC3339))
-
+  }`, time.Now().UTC().Add(8*time.Minute).Format(time.RFC3339))
 	}
 
 	return fmt.Sprintf(`