diff --git a/stage/dotnet/dotnet-sdk-enterprise-cloud/src/Client/ClientFactory.cs b/stage/dotnet/dotnet-sdk-enterprise-cloud/src/Client/ClientFactory.cs
index 9ce76e6..190276f 100644
--- a/stage/dotnet/dotnet-sdk-enterprise-cloud/src/Client/ClientFactory.cs
+++ b/stage/dotnet/dotnet-sdk-enterprise-cloud/src/Client/ClientFactory.cs
@@ -17,13 +17,8 @@ public class ClientFactory
 
     private IAuthenticationProvider? _authenticationProvider;
     private readonly HttpMessageHandler? _finalHandler;
-    private static readonly Lazy<List<DelegatingHandler>> s_handlers =
-        new(() =>
-        [
-            new APIVersionHandler(),
-            new UserAgentHandler(),
-            new RateLimitHandler(),
-        ]);
+    private readonly Lazy<List<DelegatingHandler>> _handlers =
+        new(() => [.. CreateDefaultHandlers()]);
 
     public ClientFactory(HttpMessageHandler? finalHandler = null)
     {
@@ -77,8 +72,7 @@ public HttpClientRequestAdapter Build()
         if (_authenticationProvider == null) throw new ArgumentNullException("authenticationProvider");
 
         var httpClient = new HttpClient();
-        var defaultHandlers = CreateDefaultHandlers();
-        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. defaultHandlers]);
+        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. _handlers.Value]);
 
         if (handler != null)
         {
@@ -95,18 +89,24 @@ public HttpClientRequestAdapter Build()
             httpClient.BaseAddress = new Uri(_baseUrl);
         }
 
-        return RequestAdapter.Create(_authenticationProvider, httpClient); ;
+        return RequestAdapter.Create(_authenticationProvider, httpClient);
     }
+
     /// <summary>
     /// Creates a list of default delegating handlers for the Octokit client.
     /// </summary>
     /// <returns>A list of default delegating handlers.</returns>
     public static IList<DelegatingHandler> CreateDefaultHandlers()
     {
-        var defaultHandlers = s_handlers.Value;
+        var defaultHandlers = new DelegatingHandler[]
+        {
+            new APIVersionHandler(),
+            new UserAgentHandler(),
+            new RateLimitHandler(),
+        };
         var kiotaDefaultHandlers = KiotaClientFactory.CreateDefaultHandlers();
 
-        return kiotaDefaultHandlers.Concat(defaultHandlers).ToList();
+        return [.. kiotaDefaultHandlers, .. defaultHandlers];
     }
 
     /// <summary>
@@ -169,16 +169,16 @@ public static HttpMessageHandler GetDefaultHttpMessageHandler(IWebProxy? proxy =
     private void AddOrCreateHandler<THandler>(THandler handler) where THandler : DelegatingHandler
     {
         // Find the index of the handler that matches the specified type
-        int index = s_handlers.Value.FindIndex(h => h is THandler);
+        int index = _handlers.Value.FindIndex(h => h is THandler);
 
         // If the handler is found, replace it with the new handler otehrwise add the new handler to the list
         if (index >= 0)
         {
-            s_handlers.Value[index] = handler;
+            _handlers.Value[index] = handler;
         }
         else
         {
-            s_handlers.Value.Add(handler);
+            _handlers.Value.Add(handler);
         }
     }
 }
diff --git a/stage/dotnet/dotnet-sdk-enterprise-cloud/test/Client/ClientFactoryTest.cs b/stage/dotnet/dotnet-sdk-enterprise-cloud/test/Client/ClientFactoryTest.cs
index 7a2bfc7..a9dfe29 100644
--- a/stage/dotnet/dotnet-sdk-enterprise-cloud/test/Client/ClientFactoryTest.cs
+++ b/stage/dotnet/dotnet-sdk-enterprise-cloud/test/Client/ClientFactoryTest.cs
@@ -45,6 +45,15 @@ public void CreateDefaultHandlers_Returns_Expected_Handlers()
         Assert.Contains(handlers, h => h is Microsoft.Kiota.Http.HttpClientLibrary.Middleware.RedirectHandler);
     }
 
+    [Fact]
+    public void CreateDefaultHandlers_Returns_Unique_Instances()
+    {
+        var handlers1 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+        var handlers2 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+
+        Assert.False(handlers1.Overlaps(handlers2));
+    }
+
     [Fact]
     public void ChainHandlersCollectionAndGetFirstLink_ChainsHandlersCorrectly()
     {
diff --git a/stage/dotnet/dotnet-sdk-enterprise-server/src/Client/ClientFactory.cs b/stage/dotnet/dotnet-sdk-enterprise-server/src/Client/ClientFactory.cs
index 9ce76e6..190276f 100644
--- a/stage/dotnet/dotnet-sdk-enterprise-server/src/Client/ClientFactory.cs
+++ b/stage/dotnet/dotnet-sdk-enterprise-server/src/Client/ClientFactory.cs
@@ -17,13 +17,8 @@ public class ClientFactory
 
     private IAuthenticationProvider? _authenticationProvider;
     private readonly HttpMessageHandler? _finalHandler;
-    private static readonly Lazy<List<DelegatingHandler>> s_handlers =
-        new(() =>
-        [
-            new APIVersionHandler(),
-            new UserAgentHandler(),
-            new RateLimitHandler(),
-        ]);
+    private readonly Lazy<List<DelegatingHandler>> _handlers =
+        new(() => [.. CreateDefaultHandlers()]);
 
     public ClientFactory(HttpMessageHandler? finalHandler = null)
     {
@@ -77,8 +72,7 @@ public HttpClientRequestAdapter Build()
         if (_authenticationProvider == null) throw new ArgumentNullException("authenticationProvider");
 
         var httpClient = new HttpClient();
-        var defaultHandlers = CreateDefaultHandlers();
-        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. defaultHandlers]);
+        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. _handlers.Value]);
 
         if (handler != null)
         {
@@ -95,18 +89,24 @@ public HttpClientRequestAdapter Build()
             httpClient.BaseAddress = new Uri(_baseUrl);
         }
 
-        return RequestAdapter.Create(_authenticationProvider, httpClient); ;
+        return RequestAdapter.Create(_authenticationProvider, httpClient);
     }
+
     /// <summary>
     /// Creates a list of default delegating handlers for the Octokit client.
     /// </summary>
     /// <returns>A list of default delegating handlers.</returns>
     public static IList<DelegatingHandler> CreateDefaultHandlers()
     {
-        var defaultHandlers = s_handlers.Value;
+        var defaultHandlers = new DelegatingHandler[]
+        {
+            new APIVersionHandler(),
+            new UserAgentHandler(),
+            new RateLimitHandler(),
+        };
         var kiotaDefaultHandlers = KiotaClientFactory.CreateDefaultHandlers();
 
-        return kiotaDefaultHandlers.Concat(defaultHandlers).ToList();
+        return [.. kiotaDefaultHandlers, .. defaultHandlers];
     }
 
     /// <summary>
@@ -169,16 +169,16 @@ public static HttpMessageHandler GetDefaultHttpMessageHandler(IWebProxy? proxy =
     private void AddOrCreateHandler<THandler>(THandler handler) where THandler : DelegatingHandler
     {
         // Find the index of the handler that matches the specified type
-        int index = s_handlers.Value.FindIndex(h => h is THandler);
+        int index = _handlers.Value.FindIndex(h => h is THandler);
 
         // If the handler is found, replace it with the new handler otehrwise add the new handler to the list
         if (index >= 0)
         {
-            s_handlers.Value[index] = handler;
+            _handlers.Value[index] = handler;
         }
         else
         {
-            s_handlers.Value.Add(handler);
+            _handlers.Value.Add(handler);
         }
     }
 }
diff --git a/stage/dotnet/dotnet-sdk-enterprise-server/test/Client/ClientFactoryTest.cs b/stage/dotnet/dotnet-sdk-enterprise-server/test/Client/ClientFactoryTest.cs
index 7a2bfc7..a9dfe29 100644
--- a/stage/dotnet/dotnet-sdk-enterprise-server/test/Client/ClientFactoryTest.cs
+++ b/stage/dotnet/dotnet-sdk-enterprise-server/test/Client/ClientFactoryTest.cs
@@ -45,6 +45,15 @@ public void CreateDefaultHandlers_Returns_Expected_Handlers()
         Assert.Contains(handlers, h => h is Microsoft.Kiota.Http.HttpClientLibrary.Middleware.RedirectHandler);
     }
 
+    [Fact]
+    public void CreateDefaultHandlers_Returns_Unique_Instances()
+    {
+        var handlers1 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+        var handlers2 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+
+        Assert.False(handlers1.Overlaps(handlers2));
+    }
+
     [Fact]
     public void ChainHandlersCollectionAndGetFirstLink_ChainsHandlersCorrectly()
     {
diff --git a/stage/dotnet/dotnet-sdk/src/Client/ClientFactory.cs b/stage/dotnet/dotnet-sdk/src/Client/ClientFactory.cs
index 9ce76e6..190276f 100644
--- a/stage/dotnet/dotnet-sdk/src/Client/ClientFactory.cs
+++ b/stage/dotnet/dotnet-sdk/src/Client/ClientFactory.cs
@@ -17,13 +17,8 @@ public class ClientFactory
 
     private IAuthenticationProvider? _authenticationProvider;
     private readonly HttpMessageHandler? _finalHandler;
-    private static readonly Lazy<List<DelegatingHandler>> s_handlers =
-        new(() =>
-        [
-            new APIVersionHandler(),
-            new UserAgentHandler(),
-            new RateLimitHandler(),
-        ]);
+    private readonly Lazy<List<DelegatingHandler>> _handlers =
+        new(() => [.. CreateDefaultHandlers()]);
 
     public ClientFactory(HttpMessageHandler? finalHandler = null)
     {
@@ -77,8 +72,7 @@ public HttpClientRequestAdapter Build()
         if (_authenticationProvider == null) throw new ArgumentNullException("authenticationProvider");
 
         var httpClient = new HttpClient();
-        var defaultHandlers = CreateDefaultHandlers();
-        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. defaultHandlers]);
+        var handler = ChainHandlersCollectionAndGetFirstLink(finalHandler: _finalHandler ?? GetDefaultHttpMessageHandler(), handlers: [.. _handlers.Value]);
 
         if (handler != null)
         {
@@ -95,18 +89,24 @@ public HttpClientRequestAdapter Build()
             httpClient.BaseAddress = new Uri(_baseUrl);
         }
 
-        return RequestAdapter.Create(_authenticationProvider, httpClient); ;
+        return RequestAdapter.Create(_authenticationProvider, httpClient);
     }
+
     /// <summary>
     /// Creates a list of default delegating handlers for the Octokit client.
     /// </summary>
     /// <returns>A list of default delegating handlers.</returns>
     public static IList<DelegatingHandler> CreateDefaultHandlers()
     {
-        var defaultHandlers = s_handlers.Value;
+        var defaultHandlers = new DelegatingHandler[]
+        {
+            new APIVersionHandler(),
+            new UserAgentHandler(),
+            new RateLimitHandler(),
+        };
         var kiotaDefaultHandlers = KiotaClientFactory.CreateDefaultHandlers();
 
-        return kiotaDefaultHandlers.Concat(defaultHandlers).ToList();
+        return [.. kiotaDefaultHandlers, .. defaultHandlers];
     }
 
     /// <summary>
@@ -169,16 +169,16 @@ public static HttpMessageHandler GetDefaultHttpMessageHandler(IWebProxy? proxy =
     private void AddOrCreateHandler<THandler>(THandler handler) where THandler : DelegatingHandler
     {
         // Find the index of the handler that matches the specified type
-        int index = s_handlers.Value.FindIndex(h => h is THandler);
+        int index = _handlers.Value.FindIndex(h => h is THandler);
 
         // If the handler is found, replace it with the new handler otehrwise add the new handler to the list
         if (index >= 0)
         {
-            s_handlers.Value[index] = handler;
+            _handlers.Value[index] = handler;
         }
         else
         {
-            s_handlers.Value.Add(handler);
+            _handlers.Value.Add(handler);
         }
     }
 }
diff --git a/stage/dotnet/dotnet-sdk/test/Client/ClientFactoryTest.cs b/stage/dotnet/dotnet-sdk/test/Client/ClientFactoryTest.cs
index 7a2bfc7..a9dfe29 100644
--- a/stage/dotnet/dotnet-sdk/test/Client/ClientFactoryTest.cs
+++ b/stage/dotnet/dotnet-sdk/test/Client/ClientFactoryTest.cs
@@ -45,6 +45,15 @@ public void CreateDefaultHandlers_Returns_Expected_Handlers()
         Assert.Contains(handlers, h => h is Microsoft.Kiota.Http.HttpClientLibrary.Middleware.RedirectHandler);
     }
 
+    [Fact]
+    public void CreateDefaultHandlers_Returns_Unique_Instances()
+    {
+        var handlers1 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+        var handlers2 = new HashSet<DelegatingHandler>(ClientFactory.CreateDefaultHandlers());
+
+        Assert.False(handlers1.Overlaps(handlers2));
+    }
+
     [Fact]
     public void ChainHandlersCollectionAndGetFirstLink_ChainsHandlersCorrectly()
     {