diff --git a/MTApiService/MtServer.cs b/MTApiService/MtServer.cs
index c796be77..f05fc1c2 100755
--- a/MTApiService/MtServer.cs
+++ b/MTApiService/MtServer.cs
@@ -61,14 +61,13 @@ private bool InitHosts(int port)
                     return false;
                 }
 
-                // currently not supported with CoreWCF
-                ////init local pipe host
-                //var localPipeUrl = CreateConnectionAddress(null, port, true);
-                //var localPipeServiceHost = CreateServiceHost(localPipeUrl, true);
-                //if (localPipeServiceHost != null)
-                //{
-                //    _hosts.Add(localPipeServiceHost);
-                //}
+                //init local pipe host
+                var localPipeUrl = CreateConnectionAddress(null, port, true);
+                var localPipeServiceHost = CreateServiceHost(localPipeUrl, true);
+                if (localPipeServiceHost != null)
+                {
+                    _hosts.Add(localPipeServiceHost);
+                }
 
                 //init localhost
                 var localUrl = CreateConnectionAddress("localhost", port, false);
@@ -78,24 +77,23 @@ private bool InitHosts(int port)
                     _hosts.Add(localServiceHost);
                 }
 
-                // currently not required for CoreWCF
-                ////init network hosts
-                //var dnsHostName = Dns.GetHostName();
-                //var ips = Dns.GetHostEntry(dnsHostName);
-
-                //foreach (var ipAddress in ips.AddressList)
-                //{
-                //    if (ipAddress?.AddressFamily == AddressFamily.InterNetwork)
-                //    {
-                //        var ip = ipAddress.ToString();
-                //        var networkUrl = CreateConnectionAddress(ip, port, false);
-                //        var serviceHost = CreateServiceHost(networkUrl, false);
-                //        if (serviceHost != null)
-                //        {
-                //            _hosts.Add(serviceHost);
-                //        }
-                //    }
-                //}
+                //init network hosts
+                var dnsHostName = Dns.GetHostName();
+                var ips = Dns.GetHostEntry(dnsHostName);
+
+                foreach (var ipAddress in ips.AddressList)
+                {
+                    if (ipAddress?.AddressFamily == AddressFamily.InterNetwork)
+                    {
+                        var ip = ipAddress.ToString();
+                        var networkUrl = CreateConnectionAddress(ip, port, false);
+                        var serviceHost = CreateServiceHost(networkUrl, false);
+                        if (serviceHost != null)
+                        {
+                            _hosts.Add(serviceHost);
+                        }
+                    }
+                }
 
                 count = _hosts.Count;
             }
@@ -124,7 +122,7 @@ private ServiceHost CreateServiceHost(string serverUrlAdress, bool local)
                 serviceHost.AddServiceEndpoint(typeof(IMtApi), binding, serverUrlAdress);
                 serviceHost.Open();
             }
-            catch(Exception e) 
+            catch (Exception e)
             {
                 Log.ErrorFormat("CreateServiceHost: Error! {0}", e.Message);
                 serviceHost = null;
diff --git a/MtApi5/MtApi5.csproj b/MtApi5/MtApi5.csproj
index 796edf4a..0827161f 100644
--- a/MtApi5/MtApi5.csproj
+++ b/MtApi5/MtApi5.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net7.0-windows</TargetFramework>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
 	<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
diff --git a/MtApiServiceNetCore/MtApiServiceNetCore.csproj b/MtApiServiceNetCore/MtApiServiceNetCore.csproj
index d6d1827f..331319ea 100644
--- a/MtApiServiceNetCore/MtApiServiceNetCore.csproj
+++ b/MtApiServiceNetCore/MtApiServiceNetCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net7.0-windows</TargetFramework>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
 	<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
@@ -44,8 +44,9 @@
   <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.15" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="System.ServiceModel.Duplex" Version="4.10.0" />
-    <PackageReference Include="System.ServiceModel.NetTcp" Version="4.10.0" />
+    <PackageReference Include="System.ServiceModel.Duplex" Version="6.0.0-preview1.23060.3" />
+    <PackageReference Include="System.ServiceModel.NetTcp" Version="6.0.0-preview1.23060.3" />
+	<PackageReference Include="System.ServiceModel.NetNamedPipe" Version="6.0.0-preview1.23060.3" />
   </ItemGroup>
   <PropertyGroup />
 </Project>
\ No newline at end of file
diff --git a/MtApiServiceNetCore/MtClient.cs b/MtApiServiceNetCore/MtClient.cs
index 3bbeeab6..a1e6d710 100644
--- a/MtApiServiceNetCore/MtClient.cs
+++ b/MtApiServiceNetCore/MtClient.cs
@@ -24,7 +24,16 @@ public sealed class MtClient : IMtApiCallback, IDisposable
         #endregion
 
         #region ctor
-        public MtClient(string host, int port)
+
+        private MtClient()
+        {
+            var quoteScheduler = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
+            var eventScheduler = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
+            lastQuoteTask = quoteScheduler.StartNew(() => { });
+            lastEventTask = eventScheduler.StartNew(() => { });
+        }
+
+        public MtClient(string host, int port): this()
         {
             if (string.IsNullOrEmpty(host))
                 throw new ArgumentNullException(nameof(host), "host is null or empty");
@@ -54,17 +63,39 @@ public MtClient(string host, int port)
                 }
             };
 
-            var quoteScheduler = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
-            var eventScheduler = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.AttachedToParent);
-            lastQuoteTask = quoteScheduler.StartNew(() => { });
-            lastEventTask = eventScheduler.StartNew(() => { });
-
             _proxy = new MtApiProxy(new InstanceContext(this), bind, new EndpointAddress(urlService));
             _proxy.Faulted += ProxyFaulted;
         }
 
-        public MtClient(int port) : this("localhost", port)
-        { }
+        public MtClient(int port): this()
+        {
+            if (port < 0 || port > 65536)
+                throw new ArgumentOutOfRangeException(nameof(port), "port value is invalid");
+
+            Port = port;
+
+            var urlService = $"net.pipe://localhost/{ServiceName}_{port}";
+
+            var bind = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None)
+            {
+                MaxReceivedMessageSize = 2147483647,
+                MaxBufferSize = 2147483647,
+                MaxBufferPoolSize = 2147483647,
+                SendTimeout = new TimeSpan(12, 0, 0),
+                ReceiveTimeout = new TimeSpan(12, 0, 0),
+                ReaderQuotas =
+                {
+                    MaxArrayLength = 2147483647,
+                    MaxBytesPerRead = 2147483647,
+                    MaxDepth = 2147483647,
+                    MaxStringContentLength = 2147483647,
+                    MaxNameTableCharCount = 2147483647
+                }
+            };
+
+            _proxy = new MtApiProxy(new InstanceContext(this), bind, new EndpointAddress(urlService));
+            _proxy.Faulted += ProxyFaulted;
+        }
 
         #endregion
 
diff --git a/MtApiServiceTest/MtApiServiceTest.csproj b/MtApiServiceTest/MtApiServiceTest.csproj
index da1bf1f4..721331ef 100644
--- a/MtApiServiceTest/MtApiServiceTest.csproj
+++ b/MtApiServiceTest/MtApiServiceTest.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net7.0-windows</TargetFramework>
 
     <IsPackable>false</IsPackable>
 
diff --git a/TestClients/MTApiClientStandalone/MTApiClientStandalone.csproj b/TestClients/MTApiClientStandalone/MTApiClientStandalone.csproj
index f93ce0f4..6cc2a93d 100644
--- a/TestClients/MTApiClientStandalone/MTApiClientStandalone.csproj
+++ b/TestClients/MTApiClientStandalone/MTApiClientStandalone.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0-windows</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <Platforms>AnyCPU;x64</Platforms>
diff --git a/TestClients/MtApi5TestClient/MtApi5TestClient.csproj b/TestClients/MtApi5TestClient/MtApi5TestClient.csproj
index b9cb1542..bb72aa7a 100644
--- a/TestClients/MtApi5TestClient/MtApi5TestClient.csproj
+++ b/TestClients/MtApi5TestClient/MtApi5TestClient.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net5.0-windows</TargetFramework>
+    <TargetFramework>net7.0-windows</TargetFramework>
     <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
     <OutputType>WinExe</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>