diff --git a/XenModel/Actions/Updates/DownloadUpdatesXmlAction.cs b/XenModel/Actions/Updates/DownloadUpdatesXmlAction.cs
index 5419692a9..15d5d374e 100644
--- a/XenModel/Actions/Updates/DownloadUpdatesXmlAction.cs
+++ b/XenModel/Actions/Updates/DownloadUpdatesXmlAction.cs
@@ -29,9 +29,7 @@
  */
 
 using System;
-using System.Web;
 using System.Collections.Generic;
-using System.Collections.Specialized;
 using System.Linq;
 using System.IO;
 using System.Xml;
@@ -44,7 +42,6 @@ namespace XenAdmin.Actions
 {
     public class DownloadUpdatesXmlAction : AsyncAction
     {
-        private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod()?.DeclaringType);
 
         private const string ClientVersionsNode = "versions";
         private const string XenServerVersionsNode = "serverversions";
@@ -353,7 +350,7 @@ namespace XenAdmin.Actions
             else
             {
                 var authToken = XenAdminConfigManager.Provider.GetInternalStageAuthToken();
-                uriBuilder.Query = AddAuthTokenToQueryString(authToken, uriBuilder.Query);
+                uriBuilder.Query = Helpers.AddAuthTokenToQueryString(authToken, uriBuilder.Query);
 
                 var proxy = XenAdminConfigManager.Provider.GetProxyFromSettings(Connection, false);
 
@@ -368,46 +365,5 @@ namespace XenAdmin.Actions
 
             return checkForUpdatesXml;
         }
-
-        /// <summary>
-        /// Adds the specified authentication token to the existing query string and returns
-        /// the modified query string.
-        /// </summary>
-        /// <param name="authToken">The authentication token to add to the query string.</param>
-        /// <param name="existingQueryString">The existing query string to add the token to.</param>
-        /// <returns>The modified query string.</returns>
-        private static string AddAuthTokenToQueryString(string authToken, string existingQueryString)
-        {
-            var queryString = existingQueryString;
-            if (string.IsNullOrEmpty(authToken))
-            {
-                return queryString;
-            }
-
-            try
-            {
-                var query = new NameValueCollection();
-                if (!string.IsNullOrEmpty(existingQueryString))
-                {
-                    query.Add(HttpUtility.ParseQueryString(existingQueryString));
-                }
-
-                var tokenQueryString = HttpUtility.ParseQueryString(authToken);
-
-                query.Add(tokenQueryString);
-
-                queryString = string.Join("&",
-                    query.AllKeys
-                        .Where(key => !string.IsNullOrWhiteSpace(key))
-                        .Select(key => $"{key}={query[key]}")
-                );
-            }
-            catch (Exception ex)
-            {
-                Log.Error(ex);
-            }
-
-            return queryString;
-        }
     }
 }
diff --git a/XenModel/Utils/Helpers.cs b/XenModel/Utils/Helpers.cs
index ef23ab03a..c78588020 100755
--- a/XenModel/Utils/Helpers.cs
+++ b/XenModel/Utils/Helpers.cs
@@ -30,12 +30,14 @@
 
 using System;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
+using System.Web;
 using System.Xml;
 using XenAdmin.Network;
 using XenAPI;
@@ -1537,5 +1539,46 @@ namespace XenAdmin.Core
 
             return GetCoordinator(connection).external_auth_type != Auth.AUTH_TYPE_NONE;
         }
+
+        /// <summary>
+        /// Adds the specified authentication token to the existing query string and returns
+        /// the modified query string.
+        /// </summary>
+        /// <param name="authToken">The authentication token to add to the query string.</param>
+        /// <param name="existingQueryString">The existing query string to add the token to.</param>
+        /// <returns>The modified query string.</returns>
+        public static string AddAuthTokenToQueryString(string authToken, string existingQueryString)
+        {
+            var queryString = existingQueryString;
+            if (string.IsNullOrEmpty(authToken))
+            {
+                return queryString;
+            }
+
+            try
+            {
+                var query = new NameValueCollection();
+                if (!string.IsNullOrEmpty(existingQueryString))
+                {
+                    query.Add(HttpUtility.ParseQueryString(existingQueryString));
+                }
+
+                var tokenQueryString = HttpUtility.ParseQueryString(authToken);
+
+                query.Add(tokenQueryString);
+
+                queryString = string.Join("&",
+                    query.AllKeys
+                        .Where(key => !string.IsNullOrWhiteSpace(key))
+                        .Select(key => $"{key}={query[key]}")
+                );
+            }
+            catch (Exception ex)
+            {
+                log.Error(ex);
+            }
+
+            return queryString;
+        }
     }
 }