diff --git a/appsettings.json b/appsettings.json
index 7271e8dfe..1e7f402b9 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -79,16 +79,6 @@
           "Source Work Item Type Name": "Target Work Item Type Name"
         }
       },
-      "TfsGitRepoMappings": {
-        "Enabled": false,
-        "WorkItemGitRepos": {
-          "sourceRepoName": "targetRepoName"
-        }
-      },
-      "TfsFieldMappings": {
-        "Enabled": false,
-        "FieldMaps": []
-      },
       "TfsWorkItemEmbededLinkEnricher": {
         "Enabled": true
       },
diff --git a/docs/Reference/Generated/MigrationTools.xml b/docs/Reference/Generated/MigrationTools.xml
index ef5646f81..ffec74b29 100644
--- a/docs/Reference/Generated/MigrationTools.xml
+++ b/docs/Reference/Generated/MigrationTools.xml
@@ -620,27 +620,27 @@
         </member>
         <member name="F:ThisAssembly.Git.Commit">
             <summary>
-            => @"5e1fb9d"
+            => @"049b159"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.Sha">
             <summary>
-            => @"5e1fb9d5d6528abba37f3aa0a5c9a703b0527310"
+            => @"049b159d7b77b4f5ca691ea0a509211b96925fb9"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.CommitDate">
             <summary>
-            => @"2024-08-15T12:59:26+01:00"
+            => @"2024-08-15T13:20:24+01:00"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.Commits">
             <summary>
-            => @"57"
+            => @"58"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.Tag">
             <summary>
-            => @"v15.1.8-Preview.8-57-g5e1fb9d"
+            => @"v15.1.8-Preview.8-58-g049b159"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.BaseTag">
@@ -675,7 +675,7 @@
         </member>
         <member name="F:ThisAssembly.Git.SemVer.Patch">
             <summary>
-            => @"65"
+            => @"66"
             </summary>
         </member>
         <member name="F:ThisAssembly.Git.SemVer.Label">
diff --git a/src/MigrationTools.Clients.AzureDevops.ObjectModel/ServiceCollectionExtensions.cs b/src/MigrationTools.Clients.AzureDevops.ObjectModel/ServiceCollectionExtensions.cs
index 955569785..606c3ea81 100644
--- a/src/MigrationTools.Clients.AzureDevops.ObjectModel/ServiceCollectionExtensions.cs
+++ b/src/MigrationTools.Clients.AzureDevops.ObjectModel/ServiceCollectionExtensions.cs
@@ -12,6 +12,7 @@
 using MigrationTools.ProcessorEnrichers;
 using MigrationTools.ProcessorEnrichers.WorkItemProcessorEnrichers;
 using MigrationTools.Processors;
+using Serilog;
 
 namespace MigrationTools
 {
@@ -30,8 +31,7 @@ public static void AddMigrationToolServicesForClientAzureDevOpsObjectModel(this
 
             switch (configuration.GetMigrationConfigVersion())
             {
-                case ConfigurationExtensions.MigrationConfigVersion.v15:
-
+                case ConfigurationExtensions.MigrationConfigVersion.before16:
 
                     context.AddSingleton<TfsAttachmentEnricher>().AddSingleton<IOptions<TfsAttachmentEnricherOptions>>(Microsoft.Extensions.Options.Options.Create(configuration.GetSectionCommonEnrichers_v15<TfsAttachmentEnricherOptions>(TfsAttachmentEnricherOptions.ConfigurationSectionName)));
                     context.AddSingleton<TfsUserMappingEnricher>().AddSingleton<IOptions<TfsUserMappingEnricherOptions>>(Microsoft.Extensions.Options.Options.Create(configuration.GetSectionCommonEnrichers_v15<TfsUserMappingEnricherOptions>(TfsUserMappingEnricherOptions.ConfigurationSectionName)));
diff --git a/src/MigrationTools.Host/MigrationToolHost.cs b/src/MigrationTools.Host/MigrationToolHost.cs
index cbced6eb4..515892f44 100644
--- a/src/MigrationTools.Host/MigrationToolHost.cs
+++ b/src/MigrationTools.Host/MigrationToolHost.cs
@@ -113,8 +113,8 @@ public static IHostBuilder CreateDefaultBuilder(string[] args, Action<IConfigura
                        MigrationConfigVersion configVersion = configuration.GetMigrationConfigVersion();
                        switch (configVersion)
                        {
-                           case MigrationConfigVersion.v15:
-                               logger.LogInformation("We are moving to a new configuration format. Dont worry, we are mapping the old format to the new one, and when we move over we will provide a convertor.");
+                           case MigrationConfigVersion.before16:
+                               Log.Warning("!!ACTION REQUIRED!! You are using a deprecated version of the configuration, please update to v16. backward compatability will be removed in a future version.");
                                //logger.LogCritical("The config file {ConfigFile} uses an outdated format. We are continuing to support this format through a grace period. Use '{ExecutableName}.exe init' to create a new configuration file and port over your old configuration.", configFile, Assembly.GetEntryAssembly().GetName().Name);
                                var parsed = reader.BuildFromFile(configFile); // TODO revert tp 
                                options.FieldMaps = parsed.FieldMaps;
diff --git a/src/MigrationTools/ConfigurationSectionExtensions.cs b/src/MigrationTools/ConfigurationSectionExtensions.cs
index 6b602910d..652af13b0 100644
--- a/src/MigrationTools/ConfigurationSectionExtensions.cs
+++ b/src/MigrationTools/ConfigurationSectionExtensions.cs
@@ -92,7 +92,7 @@ public static partial class ConfigurationExtensions
     {
         public enum MigrationConfigVersion
         {
-            v15,
+            before16,
             v16
         }
 
@@ -135,7 +135,7 @@ public static MigrationConfigVersion GetMigrationConfigVersion(this IConfigurati
             Version.TryParse(configVersionString, out Version configVersion);
             if (configVersion < Version.Parse("16.0") || isOldFormat)
             {
-                return MigrationConfigVersion.v15;
+                return MigrationConfigVersion.before16;
             }
             else
             {
diff --git a/src/MigrationTools/ServiceCollectionExtensions.cs b/src/MigrationTools/ServiceCollectionExtensions.cs
index 3d3b79014..87c276993 100644
--- a/src/MigrationTools/ServiceCollectionExtensions.cs
+++ b/src/MigrationTools/ServiceCollectionExtensions.cs
@@ -11,6 +11,7 @@
 using MigrationTools.ProcessorEnrichers;
 using MigrationTools.ProcessorEnrichers.WorkItemProcessorEnrichers;
 using MigrationTools.Processors;
+using Serilog;
 
 namespace MigrationTools
 {
@@ -33,7 +34,8 @@ public static void AddMigrationToolServices(this IServiceCollection context, ICo
 
             switch (configuration.GetMigrationConfigVersion())
             {
-                case ConfigurationExtensions.MigrationConfigVersion.v15:
+                case ConfigurationExtensions.MigrationConfigVersion.before16:
+                    Console.WriteLine("!!ACTION REQUIRED!! You are using a deprecated version of the configuration, please update to v16. backward compatability will be removed in a future version.");
                     context.AddSingleton<StringManipulatorEnricher>().AddSingleton<IOptions<StringManipulatorEnricherOptions>>(Microsoft.Extensions.Options.Options.Create(configuration.GetSectionCommonEnrichers_v15<StringManipulatorEnricherOptions>(StringManipulatorEnricherOptions.ConfigurationSectionName)));
                     context.AddSingleton<WorkItemTypeMappingEnricher>().AddSingleton<IOptions<WorkItemTypeMappingEnricherOptions>>(Microsoft.Extensions.Options.Options.Create(configuration.GetSectionCommonEnrichers_v15<WorkItemTypeMappingEnricherOptions>(WorkItemTypeMappingEnricherOptions.ConfigurationSectionName)));
                     break;