diff --git a/scripts/bash/deploy_arc_ring.sh b/scripts/bash/deploy_arc_ring.sh
index 13f46e37..e2053e1c 100755
--- a/scripts/bash/deploy_arc_ring.sh
+++ b/scripts/bash/deploy_arc_ring.sh
@@ -62,6 +62,13 @@ GITHUB_TOKEN="${GITHUB_TOKEN:-}"
 declare -a MACHINE_NAMES=()
 declare -a RUN_CMD_NAMES=()
 
+# API_ENVIRONMENT is used to set the AET and port for the MWL and PACS servers.
+API_ENVIRONMENT=$(echo "$ENVIRONMENT" | tr '[:lower:]' '[:upper:]')
+
+if [[ "$API_ENVIRONMENT" == "PREPROD" ]]; then
+    API_ENVIRONMENT="PRE"
+fi
+
 while IFS= read -r MACHINE_JSON; do
   MACHINE=$(echo "$MACHINE_JSON" | jq -r '.name')
   LOCATION=$(echo "$MACHINE_JSON" | jq -r '.location')
@@ -75,11 +82,11 @@ AZURE_RELAY_HYBRID_CONNECTION=hc-${MACHINE}
 CLOUD_API_ENDPOINT=${CLOUD_API_ENDPOINT}
 CLOUD_API_RESOURCE=${CLOUD_API_RESOURCE}
 APPLICATIONINSIGHTS_CONNECTION_STRING=${APPLICATIONINSIGHTS_CONNECTION_STRING}
-MWL_AET=SCREENING_MWL
-MWL_PORT=4243
+MWL_AET=RUBIE_MWL_${API_ENVIRONMENT}
+MWL_PORT=104
 MWL_DB_PATH=${BASE_PATH}/data/worklist.db
-PACS_AET=SCREENING_PACS
-PACS_PORT=4244
+PACS_AET=RUBIE_PACS_${API_ENVIRONMENT}
+PACS_PORT=11112
 PACS_STORAGE_PATH=${BASE_PATH}/data/storage
 PACS_DB_PATH=${BASE_PATH}/data/pacs.db
 LOG_LEVEL=INFO"