diff --git a/test/simulator-group/policy_agent/application.yaml b/test/simulator-group/policy_agent/application.yaml
index 75e4200..275ad3f 100644
--- a/test/simulator-group/policy_agent/application.yaml
+++ b/test/simulator-group/policy_agent/application.yaml
@@ -55,6 +55,8 @@
   filepath: /opt/app/policy-agent/data/application_configuration.json
   # path where the service can store data
   vardata-directory: /var/policy-management-service
+  # path to json schema for config validation
+  config-file-schema-path: /application_configuration_schema.json
   webclient:
     # Configuration of the trust store used for the HTTP client (outgoing requests)
     # The file location and the password for the truststore is only relevant if trust-store-used == true
diff --git a/test/simulator-group/ric/app.yaml b/test/simulator-group/ric/app.yaml
index a404039..c139730 100644
--- a/test/simulator-group/ric/app.yaml
+++ b/test/simulator-group/ric/app.yaml
@@ -28,6 +28,8 @@
           value: "1"
         - name: ALLOW_HTTP
           value: "true"
+        - name: DUPLICATE_CHECK
+          value: "1"
         imagePullPolicy: $KUBE_IMAGE_PULL_POLICY
         ports:
         - name: http
diff --git a/test/simulator-group/ric/docker-compose.yml b/test/simulator-group/ric/docker-compose.yml
index 5a04ce9..37fad42 100644
--- a/test/simulator-group/ric/docker-compose.yml
+++ b/test/simulator-group/ric/docker-compose.yml
@@ -35,6 +35,7 @@
       - A1_VERSION=${G1_A1_VERSION}
       - REMOTE_HOSTS_LOGGING=1
       - ALLOW_HTTP=true
+      - DUPLICATE_CHECK=1
     volumes:
       - ${RIC_SIM_CERT_MOUNT_DIR}:/usr/src/app/cert:ro
     labels:
@@ -52,6 +53,7 @@
       - A1_VERSION=${G2_A1_VERSION}
       - REMOTE_HOSTS_LOGGING=1
       - ALLOW_HTTP=true
+      - DUPLICATE_CHECK=1
     volumes:
       - ${RIC_SIM_CERT_MOUNT_DIR}:/usr/src/app/cert:ro
     labels:
@@ -69,6 +71,7 @@
       - A1_VERSION=${G3_A1_VERSION}
       - REMOTE_HOSTS_LOGGING=1
       - ALLOW_HTTP=true
+      - DUPLICATE_CHECK=1
     volumes:
       - ${RIC_SIM_CERT_MOUNT_DIR}:/usr/src/app/cert:ro
     labels: