diff --git a/src/main/java/edu/harvard/iq/dataverse/datacapturemodule/DataCaptureModuleServiceBean.java b/src/main/java/edu/harvard/iq/dataverse/datacapturemodule/DataCaptureModuleServiceBean.java
index 2acf60cc762..3ae6ed2121f 100644
--- a/src/main/java/edu/harvard/iq/dataverse/datacapturemodule/DataCaptureModuleServiceBean.java
+++ b/src/main/java/edu/harvard/iq/dataverse/datacapturemodule/DataCaptureModuleServiceBean.java
@@ -2,17 +2,17 @@
 
 import edu.harvard.iq.dataverse.authorization.users.AuthenticatedUser;
 import java.util.logging.Logger;
-import javax.json.Json;
-import javax.json.JsonObjectBuilder;
 import com.mashape.unirest.http.HttpResponse;
 import com.mashape.unirest.http.JsonNode;
 import com.mashape.unirest.http.Unirest;
+import edu.harvard.iq.dataverse.Dataset;
 import edu.harvard.iq.dataverse.settings.SettingsServiceBean;
 import static edu.harvard.iq.dataverse.settings.SettingsServiceBean.Key.DataCaptureModuleUrl;
 import java.io.Serializable;
 import javax.ejb.EJB;
 import javax.ejb.Stateless;
 import javax.inject.Named;
+import javax.json.JsonObjectBuilder;
 
 @Stateless
 @Named
@@ -29,26 +29,16 @@ public class DataCaptureModuleServiceBean implements Serializable {
      * @throws Exception Throws an exception if Data Capture Module URL hasn't
      * been configured or if the POST failed.
      */
-    public HttpResponse<JsonNode> requestRsyncScriptCreation(AuthenticatedUser user) throws Exception {
-        /**
-         * @todo Move this to a "util" class.
-         *
-         * @todo Send user id instead of "userIdentifier" ... may need to add
-         * more lookups by user database id to the "admin" API.
-         *
-         * @todo pass dataset id
-         */
-        JsonObjectBuilder jsonObject = Json.createObjectBuilder();
-        jsonObject.add("userIdentifier", user.getAuthenticatedUserLookup().getPersistentUserId());
-        jsonObject.add("uid", user.getAuthenticatedUserLookup().getPersistentUserId());
-        String json = jsonObject.build().toString();
+    public HttpResponse<JsonNode> requestRsyncScriptCreation(AuthenticatedUser user, Dataset dataset, JsonObjectBuilder jab) throws Exception {
         String dcmBaseUrl = settingsService.getValueForKey(DataCaptureModuleUrl);
         if (dcmBaseUrl == null) {
             throw new Exception("Problem POSTing JSON to Data Capture Module. The '" + DataCaptureModuleUrl + "' setting has not been configured.");
         }
+        String jsonString = jab.build().toString();
+        logger.info("JSON to send to Data Capture Module: " + jsonString);
         try {
             HttpResponse<JsonNode> jsonResponse = Unirest.post(dcmBaseUrl + "/ur.py")
-                    .body(json)
+                    .body(jsonString)
                     .asJson();
             return jsonResponse;
         } catch (Exception ex) {
diff --git a/src/main/java/edu/harvard/iq/dataverse/engine/command/impl/RequestRsyncScriptCommand.java b/src/main/java/edu/harvard/iq/dataverse/engine/command/impl/RequestRsyncScriptCommand.java
index 06e4b2cf34a..99db76c6e99 100644
--- a/src/main/java/edu/harvard/iq/dataverse/engine/command/impl/RequestRsyncScriptCommand.java
+++ b/src/main/java/edu/harvard/iq/dataverse/engine/command/impl/RequestRsyncScriptCommand.java
@@ -14,6 +14,8 @@
 import edu.harvard.iq.dataverse.authorization.users.User;
 import edu.harvard.iq.dataverse.engine.command.exception.CommandExecutionException;
 import java.util.logging.Logger;
+import javax.json.Json;
+import javax.json.JsonObjectBuilder;
 
 @RequiredPermissions(Permission.AddDataset)
 public class RequestRsyncScriptCommand extends AbstractVoidCommand {
@@ -46,14 +48,18 @@ protected void executeImpl(CommandContext ctxt) throws CommandException {
          *
          * @todo make sure the error is logged to the actionlogrecord
          */
+        JsonObjectBuilder jab = Json.createObjectBuilder();
+        // The general rule should be to always pass the user id and dataset id to the DCM.
+        jab.add("userId", au.getId());
+        jab.add("datasetId", dataset.getId());
         try {
-            response = ctxt.dataCaptureModule().requestRsyncScriptCreation(au);
+            response = ctxt.dataCaptureModule().requestRsyncScriptCreation(au, dataset, jab);
         } catch (Exception ex) {
             throw new CommandException("Problem retrieving rsync script from Data Capture Module: " + ex.getLocalizedMessage(), this);
         }
         int statusCode = response.getStatus();
         if (statusCode != 200) {
-            logger.info("Problem retrieving rsync script from Data Capture Module. Status code was: " + statusCode);
+            logger.info("Problem retrieving rsync script from Data Capture Module. Status code was " + statusCode + " and body was \'" + response.getBody() + "\'.");
         }
         String script = response.getBody().getObject().getString("script");
         if (script == null || script.isEmpty()) {