diff --git a/TestApp/MyService.cs b/TestApp/MyService.cs
index 316b8af..b4cc0ee 100644
--- a/TestApp/MyService.cs
+++ b/TestApp/MyService.cs
@@ -19,7 +19,7 @@ namespace TestApp
         {
             Log.Info("Started");
             ReadServiceInfo();
-            var host = UseHost();
+            var host = UseHost(8800);
             AutoregisterInboxes(host);
             host.OnConnect += Host_OnConnect;
             host.OnDisconnect += Host_OnDisconnect;
@@ -31,7 +31,7 @@ namespace TestApp
                 Interlocked.Exchange(ref counter, 0);
             });
 
-            //Exchange.RoutesStorage.Set("test.app", new IPEndPoint(IPAddress.Loopback, 8800));
+            Exchange.RoutesStorage.Set("test.app", new IPEndPoint(IPAddress.Loopback, 8800));
 
             while (true)
             {
diff --git a/TestApp/Program.cs b/TestApp/Program.cs
index 589882e..168c4ce 100644
--- a/TestApp/Program.cs
+++ b/TestApp/Program.cs
@@ -6,10 +6,11 @@ namespace TestApp
     {
         private static void Main(string[] args)
         {
+            Configuration.Save(Configuration.ReadFromApplicationConfig());
             Bootstrap.Startup<MyService>(args,                
                 () => Configuration.ReadSetFromIniFile("config.ini"))
                 .EnableConsoleLog(ZeroLevel.Services.Logging.LogLevel.System | ZeroLevel.Services.Logging.LogLevel.FullDebug)
-                .UseDiscovery()
+                //.UseDiscovery()
                 .Run()
                 .WaitWhileStatus(ZeroServiceStatus.Running)
                 .Stop();
diff --git a/ZeroLevel/Services/Config/Configuration.cs b/ZeroLevel/Services/Config/Configuration.cs
index 135eb5d..385b3b0 100644
--- a/ZeroLevel/Services/Config/Configuration.cs
+++ b/ZeroLevel/Services/Config/Configuration.cs
@@ -59,7 +59,7 @@ namespace ZeroLevel
             }
             else
             {
-                throw new Exception("Default configuration exists already");
+                DefaultSet.Merge(Configuration.CreateSet(configuration));
             }
         }
 
@@ -76,7 +76,7 @@ namespace ZeroLevel
             }
             else
             {
-                throw new Exception("Default configurationset set already");
+                DefaultSet.Merge(configuration);
             }
         }
 
diff --git a/ZeroLevel/ZeroLevel.csproj b/ZeroLevel/ZeroLevel.csproj
index a622675..255f578 100644
--- a/ZeroLevel/ZeroLevel.csproj
+++ b/ZeroLevel/ZeroLevel.csproj
@@ -5,17 +5,16 @@
     <Description>Infrastructure layer library</Description>
     <Authors>ogoun</Authors>
     <Company>ogoun</Company>
-    <AssemblyVersion>3.0.0.3</AssemblyVersion>
-    <PackageReleaseNotes>Fix file transfer
-Expand serialization types</PackageReleaseNotes>
+    <AssemblyVersion>3.0.0.4</AssemblyVersion>
+    <PackageReleaseNotes>Fix configuration</PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/ogoun/Zero/wiki</PackageProjectUrl>
     <Copyright>Copyright Ogoun 2019</Copyright>
     <PackageLicenseUrl>https://opensource.org/licenses/MIT</PackageLicenseUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ogoun/Zero/master/zero.png</PackageIconUrl>
     <RepositoryUrl>https://github.com/ogoun/Zero</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <Version>3.0.3</Version>
-    <FileVersion>3.0.0.3</FileVersion>
+    <Version>3.0.4</Version>
+    <FileVersion>3.0.0.4</FileVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">