diff --git a/CN_PREPROD/management_zone/cd_sms-gateway.tf b/CN_PREPROD/management_zone/cd_sms-gateway.tf
new file mode 100644
index 00000000..5c8e17d8
--- /dev/null
+++ b/CN_PREPROD/management_zone/cd_sms-gateway.tf
@@ -0,0 +1,20 @@
+# DEFINE dynatrace_management_zone.CD_SMS-Gateway.id = -2032583383825652303
+resource "dynatrace_management_zone" "CD_SMS-Gateway" {
+  name = "CD_SMS-Gateway"
+  rules {
+    type    = "SERVICE"
+    enabled = true
+    conditions {
+      key {
+        type      = "STATIC"
+        attribute = "SERVICE_AKKA_ACTOR_SYSTEM"
+      }
+      string {
+        case_sensitive = true
+        # negate       = false
+        operator       = "BEGINS_WITH"
+        value          = "empty"
+      }
+    }
+  }
+}