diff --git a/SendNSWMessageService/SendNSWMessageService.csproj b/SendNSWMessageService/SendNSWMessageService.csproj
index 9442f95b..bae5502b 100644
--- a/SendNSWMessageService/SendNSWMessageService.csproj
+++ b/SendNSWMessageService/SendNSWMessageService.csproj
@@ -40,8 +40,8 @@
     <AssemblyOriginatorKeyFile>..\bsmdKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
diff --git a/SendNSWMessageService/packages.config b/SendNSWMessageService/packages.config
index f0d1ef42..25e6a655 100644
--- a/SendNSWMessageService/packages.config
+++ b/SendNSWMessageService/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/bsmd.dakosy/bsmd.dakosy.csproj b/bsmd.dakosy/bsmd.dakosy.csproj
index 8b178339..eecf04fa 100644
--- a/bsmd.dakosy/bsmd.dakosy.csproj
+++ b/bsmd.dakosy/bsmd.dakosy.csproj
@@ -40,8 +40,8 @@
     <AssemblyOriginatorKeyFile>..\bsmdKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
@@ -52,8 +52,8 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
-    <Reference Include="WinSCPnet, Version=1.14.0.13797, Culture=neutral, PublicKeyToken=2271ec4a3c56d0bf, processorArchitecture=MSIL">
-      <HintPath>..\packages\WinSCP.6.1.2\lib\net40\WinSCPnet.dll</HintPath>
+    <Reference Include="WinSCPnet, Version=1.15.0.14890, Culture=neutral, PublicKeyToken=2271ec4a3c56d0bf, processorArchitecture=MSIL">
+      <HintPath>..\packages\WinSCP.6.3.2\lib\net40\WinSCPnet.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -93,12 +93,12 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\WinSCP.6.1.2\build\WinSCP.targets" Condition="Exists('..\packages\WinSCP.6.1.2\build\WinSCP.targets')" />
+  <Import Project="..\packages\WinSCP.6.3.2\build\WinSCP.targets" Condition="Exists('..\packages\WinSCP.6.3.2\build\WinSCP.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\WinSCP.6.1.2\build\WinSCP.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\WinSCP.6.1.2\build\WinSCP.targets'))" />
+    <Error Condition="!Exists('..\packages\WinSCP.6.3.2\build\WinSCP.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\WinSCP.6.3.2\build\WinSCP.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/bsmd.dakosy/packages.config b/bsmd.dakosy/packages.config
index d57f8128..0074bcf2 100644
--- a/bsmd.dakosy/packages.config
+++ b/bsmd.dakosy/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
-  <package id="WinSCP" version="6.1.2" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
+  <package id="WinSCP" version="6.3.2" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/bsmd.database/MessageTelemetry.cs b/bsmd.database/MessageTelemetry.cs
new file mode 100644
index 00000000..924588e3
--- /dev/null
+++ b/bsmd.database/MessageTelemetry.cs
@@ -0,0 +1,75 @@
+// Copyright (c) 2024-present schick Informatik
+// Description: The purpose of telemetry is to record message transmission times (and failures)
+
+using System;
+using System.Collections.Generic;
+using log4net;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace bsmd.database
+{
+
+    public class MessageTelemetry
+    {
+
+        #region Fields
+
+        private static readonly Dictionary<Message.NSWProvider, Dictionary<Guid, MessageTelemetry>> _telemetry = new Dictionary<Message.NSWProvider, Dictionary<Guid, MessageTelemetry>>();
+
+        private static readonly ILog _log = LogManager.GetLogger(typeof(MessageTelemetry));
+
+        #endregion
+
+        #region Properties
+
+        public DateTime SendDate { get; private set; }
+
+        public int NumTries { get; set; }
+
+        #endregion
+
+        #region public static methods
+
+        public static void Enqueue(Message.NSWProvider provider, Message message)
+        {
+            if (!_telemetry.ContainsKey(provider))
+                _telemetry.Add(provider, new Dictionary<Guid, MessageTelemetry>());
+
+            if (_telemetry[provider].ContainsKey(message.Id.Value))
+            {
+                _telemetry[provider][message.Id.Value].NumTries++;
+            }
+            else
+            {
+                MessageTelemetry mt = new MessageTelemetry();
+                mt.SendDate = DateTime.Now;
+                mt.NumTries = 1;
+                _telemetry[provider][message.Id.Value]  = mt;
+            }
+        }
+
+        public static void Dequeue(Message.NSWProvider provider, Message message)
+        {
+            if (_telemetry.ContainsKey(provider))
+            {
+                if (_telemetry[provider].ContainsKey(message.Id.Value))
+                {
+                    MessageTelemetry mt = _telemetry[provider][message.Id.Value];
+                    _log.InfoFormat("[{0,10}][{1,8}][{2:00000}][{3:00}] ",provider, message.MessageNotificationClassDisplay, (DateTime.Now - mt.SendDate).TotalSeconds, mt.NumTries);
+                    _telemetry[provider].Remove(message.Id.Value);
+                }
+                else
+                {
+                    _log.ErrorFormat("trying to deque a message from telemetry that we don't know about. Provider: {0} MessageId: {1}",
+                        provider.ToString(), message.Id.Value);
+                }
+            }
+        }
+
+        #endregion
+
+
+    }
+}
diff --git a/bsmd.database/bsmd.database.csproj b/bsmd.database/bsmd.database.csproj
index c7e6f0b4..887e6b1c 100644
--- a/bsmd.database/bsmd.database.csproj
+++ b/bsmd.database/bsmd.database.csproj
@@ -83,8 +83,8 @@
     <CodeAnalysisRuleSet>..\code.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\ENI2\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\ENI2\packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
@@ -131,6 +131,7 @@
     <Compile Include="MaerskData.cs" />
     <Compile Include="MARPOL_Annex_I_Position.cs" />
     <Compile Include="MessageHistory.cs" />
+    <Compile Include="MessageTelemetry.cs" />
     <Compile Include="NoTypeConverterJsonConverter.cs" />
     <Compile Include="PortArea.cs" />
     <Compile Include="Properties\AssemblyProductInfo.cs" />
diff --git a/bsmd.database/bsmd.database.licenseheader b/bsmd.database/bsmd.database.licenseheader
index 47a9d64d..eacc81a3 100644
--- a/bsmd.database/bsmd.database.licenseheader
+++ b/bsmd.database/bsmd.database.licenseheader
@@ -1,11 +1,11 @@
 extensions: designer.cs generated.cs
 extensions: .cs .cpp .h
-// Copyright (c) 2023-present schick Informatik
+// Copyright (c) 2024-present schick Informatik
 // Description:
 
 extensions: .aspx .ascx
 <%-- 
-Copyright (c) 2023-present schick Informatik
+Copyright (c) 2024-present schick Informatik
 --%>
 extensions: .vb
 'Sample license text.
diff --git a/bsmd.database/packages.config b/bsmd.database/packages.config
index 5360e337..0cdd327e 100644
--- a/bsmd.database/packages.config
+++ b/bsmd.database/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/bsmd.dbh/MessageController.cs b/bsmd.dbh/MessageController.cs
index 19d337a9..d5659b50 100644
--- a/bsmd.dbh/MessageController.cs
+++ b/bsmd.dbh/MessageController.cs
@@ -114,6 +114,9 @@ namespace bsmd.dbh
 
         #region send and receive files (SFTP)
 
+        /// <summary>
+        /// this method handles the transmission of files by SFTP
+        /// </summary>
         public static void SendAndReceive()
         {
             // sent unsent messages in output folder
diff --git a/bsmd.dbh/RequestUtil.cs b/bsmd.dbh/RequestUtil.cs
index cbb4187c..5db6f503 100644
--- a/bsmd.dbh/RequestUtil.cs
+++ b/bsmd.dbh/RequestUtil.cs
@@ -1832,6 +1832,8 @@ namespace bsmd.dbh
                     serializer.Serialize(tw, root);
                 }
 
+                MessageTelemetry.Enqueue(Message.NSWProvider.DBH, message);
+
                 return filePath;
             }
             catch(Exception ex)
diff --git a/bsmd.dbh/ResponseUtil.cs b/bsmd.dbh/ResponseUtil.cs
index 4b9cb08b..9ea7139b 100644
--- a/bsmd.dbh/ResponseUtil.cs
+++ b/bsmd.dbh/ResponseUtil.cs
@@ -1,16 +1,12 @@
 // Copyright (c) 2020-present schick Informatik
 // Description: Verarbeitung von empfangenen Rückmeldungen
 
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
-using System.Xml.Serialization;
-using log4net;
 using bsmd.database;
+using log4net;
+using System;
+using System.IO;
+using System.Text.RegularExpressions;
+using System.Xml.Serialization;
 
 namespace bsmd.dbh
 {
@@ -80,6 +76,8 @@ namespace bsmd.dbh
                     return result;
                 }
 
+                MessageTelemetry.Dequeue(Message.NSWProvider.DBH, sentMessage);
+
                 switch(root.Type)
                 {
                     case Response.RootType.VISIT:
diff --git a/bsmd.dbh/bsmd.dbh.csproj b/bsmd.dbh/bsmd.dbh.csproj
index d39d69af..f0842403 100644
--- a/bsmd.dbh/bsmd.dbh.csproj
+++ b/bsmd.dbh/bsmd.dbh.csproj
@@ -38,8 +38,8 @@
     <AssemblyOriginatorKeyFile>..\bsmdKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
diff --git a/bsmd.dbh/packages.config b/bsmd.dbh/packages.config
index f0d1ef42..25e6a655 100644
--- a/bsmd.dbh/packages.config
+++ b/bsmd.dbh/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/bsmd.hisnord/Request.cs b/bsmd.hisnord/Request.cs
index c5839d7e..c3670e4e 100644
--- a/bsmd.hisnord/Request.cs
+++ b/bsmd.hisnord/Request.cs
@@ -1822,6 +1822,8 @@ namespace bsmd.hisnord
                 
                 retval = true;
 
+                MessageTelemetry.Enqueue(Message.NSWProvider.DUDR, message);
+
                 #endregion
 
             }
diff --git a/bsmd.hisnord/Response.cs b/bsmd.hisnord/Response.cs
index b22f04c0..753baf99 100644
--- a/bsmd.hisnord/Response.cs
+++ b/bsmd.hisnord/Response.cs
@@ -88,6 +88,7 @@ namespace bsmd.hisnord
                                                     refMessage.InternalStatus = Message.BSMDStatus.SEND_FAILED;
                                                     systemError.MessageHeaderId = refMessage.Id;
                                                     DBManager.Instance.Save(refMessage);
+                                                    MessageTelemetry.Dequeue(Message.NSWProvider.DUDR, refMessage);
                                                 }
                                             }
                                             else
@@ -101,6 +102,7 @@ namespace bsmd.hisnord
                                                         refMessage.InternalStatus = Message.BSMDStatus.SEND_FAILED;
                                                         systemError.MessageHeaderId = refMessage.Id;
                                                         DBManager.Instance.Save(refMessage);
+                                                        MessageTelemetry.Dequeue(Message.NSWProvider.DUDR, refMessage);
                                                     }
                                                 }
                                             }
@@ -253,6 +255,8 @@ namespace bsmd.hisnord
 
                                                     DBManager.Instance.Save(aMessage);
 
+                                                    MessageTelemetry.Dequeue(Message.NSWProvider.DUDR, aMessage);
+
                                                     #endregion
 
                                                 }
diff --git a/bsmd.hisnord/bsmd.hisnord.csproj b/bsmd.hisnord/bsmd.hisnord.csproj
index f9e0cbc7..7c890e39 100644
--- a/bsmd.hisnord/bsmd.hisnord.csproj
+++ b/bsmd.hisnord/bsmd.hisnord.csproj
@@ -38,8 +38,8 @@
     <AssemblyOriginatorKeyFile>..\bsmdKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
diff --git a/bsmd.hisnord/packages.config b/bsmd.hisnord/packages.config
index f0d1ef42..25e6a655 100644
--- a/bsmd.hisnord/packages.config
+++ b/bsmd.hisnord/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/bsmd.status/bsmd.status.csproj b/bsmd.status/bsmd.status.csproj
index 4066a5e7..3843dc5a 100644
--- a/bsmd.status/bsmd.status.csproj
+++ b/bsmd.status/bsmd.status.csproj
@@ -38,8 +38,8 @@
     <AssemblyOriginatorKeyFile>..\bsmdKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.15\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=2.0.16.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\packages\log4net.2.0.16\lib\net45\log4net.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
diff --git a/bsmd.status/packages.config b/bsmd.status/packages.config
index f0d1ef42..25e6a655 100644
--- a/bsmd.status/packages.config
+++ b/bsmd.status/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.15" targetFramework="net48" />
+  <package id="log4net" version="2.0.16" targetFramework="net48" />
 </packages>
\ No newline at end of file