diff --git a/src/System.Net.Http/src/System/Net/Http/CurlHandler/CurlHandler.EasyRequest.cs b/src/System.Net.Http/src/System/Net/Http/CurlHandler/CurlHandler.EasyRequest.cs
index 47996113d11d..d8b2d73efaa8 100644
--- a/src/System.Net.Http/src/System/Net/Http/CurlHandler/CurlHandler.EasyRequest.cs
+++ b/src/System.Net.Http/src/System/Net/Http/CurlHandler/CurlHandler.EasyRequest.cs
@@ -311,8 +311,8 @@ private void SetMultithreading()
 
             private void SetTimeouts()
             {
-                // Set timeout limit on the connect phase.
-                SetCurlOption(CURLoption.CURLOPT_CONNECTTIMEOUT_MS, int.MaxValue);
+                // Set timeout limit on the connect phase. curl has bug on ARM so use max - 1s.
+                SetCurlOption(CURLoption.CURLOPT_CONNECTTIMEOUT_MS, int.MaxValue - 1000);
 
                 // Override the default DNS cache timeout.  libcurl defaults to a 1 minute
                 // timeout, but we extend that to match the Windows timeout of 10 minutes.
diff --git a/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs b/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs
index 6110c423ef93..94d587514e8b 100644
--- a/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs
+++ b/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs
@@ -48,13 +48,21 @@ public NtAuthServer(AuthenticationSchemes authSchemes)
                 {
                     // Ignore.
                 }
+                catch (ObjectDisposedException)
+                {
+                    // Ignore.
+                }
+                catch (InvalidOperationException)
+                {
+                    // Ignore.
+                }
             });
         }
 
         public void Dispose()
         {
             _listener.Stop();
-            _serverTask.Wait();
+            _serverTask.Wait(TestHelper.PassingTestTimeoutMilliseconds);
         }
 
         public string BaseUrl { get; private set; }
diff --git a/src/System.Net.Http/tests/FunctionalTests/TestHelper.cs b/src/System.Net.Http/tests/FunctionalTests/TestHelper.cs
index 22b267fb413b..ed800d2fd8a2 100644
--- a/src/System.Net.Http/tests/FunctionalTests/TestHelper.cs
+++ b/src/System.Net.Http/tests/FunctionalTests/TestHelper.cs
@@ -93,7 +93,7 @@ public static byte[] ComputeMD5Hash(byte[] data)
 
         public static Task WhenAllCompletedOrAnyFailed(params Task[] tasks)
         {
-            return TaskTimeoutExtensions.WhenAllOrAnyFailed(tasks);
+            return TaskTimeoutExtensions.WhenAllOrAnyFailed(tasks, PlatformDetection.IsArmProcess || PlatformDetection.IsArm64Process ? PassingTestTimeoutMilliseconds * 5 : PassingTestTimeoutMilliseconds);
         }
 
         public static Task WhenAllCompletedOrAnyFailedWithTimeout(int timeoutInMilliseconds, params Task[] tasks)