diff --git a/dotnet/Directory.Build.props b/dotnet/Directory.Build.props
index 5641c6cac..aeb667438 100644
--- a/dotnet/Directory.Build.props
+++ b/dotnet/Directory.Build.props
@@ -9,6 +9,7 @@
 	  <Nullable>enable</Nullable>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)eng/opensource.snk</AssemblyOriginatorKeyFile>
+    <PublicKey>0024000004800000940000000602000000240000525341310004000001000100f1d038d0b85ae392ad72011df91e9343b0b5df1bb8080aa21b9424362d696919e0e9ac3a8bca24e283e10f7a569c6f443e1d4e3ebc84377c87ca5caa562e80f9932bf5ea91b7862b538e13b8ba91c7565cf0e8dfeccfea9c805ae3bda044170ecc7fc6f147aeeac422dd96aeb9eb1f5a5882aa650efe2958f2f8107d2038f2ab</PublicKey>
     <CSNoWarn>CS1998;CS1591</CSNoWarn>
     <NoWarn>$(NoWarn);$(CSNoWarn);NU5104</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
@@ -20,4 +21,4 @@
   <PropertyGroup>
     <RepoRoot>$(MSBuildThisFileDirectory)</RepoRoot>
   </PropertyGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/dotnet/src/AutoGen.LMStudio/LMStudioConfig.cs b/dotnet/src/AutoGen.LMStudio/LMStudioConfig.cs
index 4cf18210a..3864630b3 100644
--- a/dotnet/src/AutoGen.LMStudio/LMStudioConfig.cs
+++ b/dotnet/src/AutoGen.LMStudio/LMStudioConfig.cs
@@ -13,6 +13,15 @@ public class LMStudioConfig : ILLMConfig
         this.Host = host;
         this.Port = port;
         this.Version = version;
+        this.Uri = new Uri($"http://{host}:{port}/v{version}");
+    }
+
+    public LMStudioConfig(Uri uri)
+    {
+        this.Uri = uri;
+        this.Host = uri.Host;
+        this.Port = uri.Port;
+        this.Version = int.Parse(uri.Segments[1].TrimStart('v'));
     }
 
     public string Host { get; }
@@ -21,5 +30,5 @@ public class LMStudioConfig : ILLMConfig
 
     public int Version { get; }
 
-    public Uri Uri => new Uri($"http://{Host}:{Port}/v{Version}");
+    public Uri Uri { get; }
 }
diff --git a/dotnet/src/AutoGen/Agent/ConversableAgent.cs b/dotnet/src/AutoGen/Agent/ConversableAgent.cs
index d79d25192..fe1470502 100644
--- a/dotnet/src/AutoGen/Agent/ConversableAgent.cs
+++ b/dotnet/src/AutoGen/Agent/ConversableAgent.cs
@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using AutoGen.LMStudio;
 using AutoGen.OpenAI;
 
 namespace AutoGen;
@@ -74,15 +75,25 @@ public class ConversableAgent : IAgent
         this.functions = llmConfig?.FunctionContracts;
     }
 
+    /// <summary>
+    /// For test purpose only.
+    /// </summary>
+    internal IAgent? InnerAgent => this.innerAgent;
+
     private IAgent? CreateInnerAgentFromConfigList(ConversableAgentConfig config)
     {
         IAgent? agent = null;
         foreach (var llmConfig in config.ConfigList ?? Enumerable.Empty<ILLMConfig>())
         {
-            var nextAgent = llmConfig switch
+            IAgent nextAgent = llmConfig switch
             {
                 AzureOpenAIConfig azureConfig => new GPTAgent(this.Name!, this.systemMessage, azureConfig, temperature: config.Temperature ?? 0),
                 OpenAIConfig openAIConfig => new GPTAgent(this.Name!, this.systemMessage, openAIConfig, temperature: config.Temperature ?? 0),
+                LMStudioConfig lmStudioConfig => new LMStudioAgent(
+                    name: this.Name,
+                    config: lmStudioConfig,
+                    systemMessage: this.systemMessage,
+                    temperature: config.Temperature ?? 0),
                 _ => throw new ArgumentException($"Unsupported config type {llmConfig.GetType()}"),
             };
 
diff --git a/dotnet/src/AutoGen/AutoGen.csproj b/dotnet/src/AutoGen/AutoGen.csproj
index 8f4bbccb5..7e14ad4e7 100644
--- a/dotnet/src/AutoGen/AutoGen.csproj
+++ b/dotnet/src/AutoGen/AutoGen.csproj
@@ -26,5 +26,9 @@
     <ProjectReference Include="..\AutoGen.Core\AutoGen.Core.csproj" />
     <ProjectReference Include="..\AutoGen.OpenAI\AutoGen.OpenAI.csproj" />
   </ItemGroup>
+  
+  <ItemGroup>
+    <InternalsVisibleTo Include="AutoGen.Tests" />
+  </ItemGroup>
 
 </Project>
diff --git a/dotnet/test/AutoGen.Mistral.Tests/MistralClientAgentTests.cs b/dotnet/test/AutoGen.Mistral.Tests/MistralClientAgentTests.cs
index 5a9d1f95c..bcd5f1309 100644
--- a/dotnet/test/AutoGen.Mistral.Tests/MistralClientAgentTests.cs
+++ b/dotnet/test/AutoGen.Mistral.Tests/MistralClientAgentTests.cs
@@ -37,7 +37,7 @@ public partial class MistralClientAgentTests
             model: "open-mistral-7b")
             .RegisterMessageConnector();
         var singleAgentTest = new SingleAgentTest(_output);
-        await singleAgentTest.UpperCaseTest(agent);
+        await singleAgentTest.UpperCaseTestAsync(agent);
         await singleAgentTest.UpperCaseStreamingTestAsync(agent);
     }
 
diff --git a/dotnet/test/AutoGen.Tests/SingleAgentTest.cs b/dotnet/test/AutoGen.Tests/SingleAgentTest.cs
index ae566889b..79d2b9c2f 100644
--- a/dotnet/test/AutoGen.Tests/SingleAgentTest.cs
+++ b/dotnet/test/AutoGen.Tests/SingleAgentTest.cs
@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using AutoGen.LMStudio;
 using AutoGen.OpenAI;
 using Azure.AI.OpenAI;
 using FluentAssertions;
@@ -42,7 +43,7 @@ namespace AutoGen.Tests
 
             var agent = new GPTAgent("gpt", "You are a helpful AI assistant", config);
 
-            await UpperCaseTest(agent);
+            await UpperCaseTestAsync(agent);
             await UpperCaseStreamingTestAsync(agent);
         }
 
@@ -117,7 +118,7 @@ namespace AutoGen.Tests
             var agentWithFunction = new GPTAgent("gpt", "You are a helpful AI assistant", config, 0, functions: new[] { this.EchoAsyncFunction });
 
             await EchoFunctionCallTestAsync(agentWithFunction);
-            await UpperCaseTest(agentWithFunction);
+            await UpperCaseTestAsync(agentWithFunction);
         }
 
         [ApiKeyFact("AZURE_OPENAI_API_KEY", "AZURE_OPENAI_ENDPOINT")]
@@ -143,7 +144,43 @@ namespace AutoGen.Tests
                 llmConfig: llmConfig);
 
             await EchoFunctionCallTestAsync(assistantAgent);
-            await UpperCaseTest(assistantAgent);
+            await UpperCaseTestAsync(assistantAgent);
+        }
+
+        [Fact]
+        public async Task ItCreateAssistantAgentFromLMStudioConfigAsync()
+        {
+            var host = "http://localhost";
+            var port = 8080;
+            var lmStudioConfig = new LMStudioConfig(host, port);
+
+            var assistantAgent = new AssistantAgent(
+                name: "assistant",
+                llmConfig: new ConversableAgentConfig()
+                {
+                    ConfigList = [lmStudioConfig],
+                });
+
+            assistantAgent.Name.Should().Be("assistant");
+            assistantAgent.InnerAgent.Should().BeOfType<LMStudioAgent>();
+        }
+
+        [ApiKeyFact("LMStudio_ENDPOINT")]
+        public async Task ItTestAssistantAgentFromLMStudioConfigAsync()
+        {
+            var Uri = Environment.GetEnvironmentVariable("LMStudio_ENDPOINT") ?? throw new ArgumentException("LMStudio_ENDPOINT is not set");
+            var lmStudioConfig = new LMStudioConfig(new Uri(Uri));
+
+            var assistantAgent = new AssistantAgent(
+                name: "assistant",
+                llmConfig: new ConversableAgentConfig()
+                {
+                    ConfigList = [lmStudioConfig],
+                });
+
+            assistantAgent.Name.Should().Be("assistant");
+            assistantAgent.InnerAgent.Should().BeOfType<LMStudioAgent>();
+            await this.UpperCaseTestAsync(assistantAgent);
         }
 
 
@@ -186,7 +223,6 @@ namespace AutoGen.Tests
                 });
 
             await EchoFunctionCallExecutionTestAsync(assistantAgent);
-            await UpperCaseTest(assistantAgent);
         }
 
         [ApiKeyFact("AZURE_OPENAI_API_KEY", "AZURE_OPENAI_ENDPOINT")]
@@ -206,7 +242,7 @@ namespace AutoGen.Tests
 
             await EchoFunctionCallExecutionStreamingTestAsync(agent);
             await EchoFunctionCallExecutionTestAsync(agent);
-            await UpperCaseTest(agent);
+            await UpperCaseTestAsync(agent);
         }
 
         /// <summary>
@@ -283,7 +319,7 @@ namespace AutoGen.Tests
             }
         }
 
-        public async Task UpperCaseTest(IAgent agent)
+        public async Task UpperCaseTestAsync(IAgent agent)
         {
             var message = new TextMessage(Role.System, "You are a helpful AI assistant that convert user message to upper case");
             var uppCaseMessage = new TextMessage(Role.User, "abcdefg");
diff --git a/dotnet/website/update.md b/dotnet/website/update.md
index b65ab128e..3d905c0ab 100644
--- a/dotnet/website/update.md
+++ b/dotnet/website/update.md
@@ -2,6 +2,7 @@
 - [API Breaking Change] Update the return type of `IStreamingAgent.GenerateStreamingReplyAsync` from `Task<IAsyncEnumerable<IStreamingMessage>>` to `IAsyncEnumerable<IStreamingMessage>`
 - [API Breaking Change] Update the return type of `IStreamingMiddleware.InvokeAsync` from `Task<IAsyncEnumerable<IStreamingMessage>>` to `IAsyncEnumerable<IStreamingMessage>`
 - [API Breaking Change] Mark `RegisterReply`, `RegisterPreProcess` and `RegisterPostProcess` as obsolete. You can replace them with `RegisterMiddleware`
+- Fix [Issue 2609](https://github.com/microsoft/autogen/issues/2609)
 ##### Update on 0.0.12 (2024-04-22)
 - Add AutoGen.Mistral package to support Mistral.AI models
 ##### Update on 0.0.11 (2024-04-10)