diff --git a/src/libraries/Common/tests/System/Net/Sockets/TestSettings.cs b/src/libraries/Common/tests/System/Net/Sockets/TestSettings.cs
index 0accade3d3f445..164b4b8632a43b 100644
--- a/src/libraries/Common/tests/System/Net/Sockets/TestSettings.cs
+++ b/src/libraries/Common/tests/System/Net/Sockets/TestSettings.cs
@@ -8,7 +8,8 @@ namespace System.Net.Sockets.Tests
     public static class TestSettings
     {
         // Timeout values in milliseconds.
-        public const int PassingTestTimeout = 10000;
+        public const int PassingTestTimeout = 10_000;
+        public const int PassingTestLongTimeout = 30_000;
         public const int FailingTestTimeout = 100;
 
         public static Task WhenAllOrAnyFailedWithTimeout(params Task[] tasks) => tasks.WhenAllOrAnyFailed(PassingTestTimeout);
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/DnsEndPointTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/DnsEndPointTest.cs
index 1e362a04819c0f..f23a1e835b7be3 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/DnsEndPointTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/DnsEndPointTest.cs
@@ -272,7 +272,7 @@ public void Socket_ConnectAsyncDnsEndPoint_HostNotFound()
                 bool willRaiseEvent = sock.ConnectAsync(args);
                 if (willRaiseEvent)
                 {
-                    Assert.True(complete.WaitOne(TestSettings.PassingTestTimeout), "Timed out while waiting for connection");
+                    Assert.True(complete.WaitOne(TestSettings.PassingTestLongTimeout), "Timed out while waiting for connection");
                     complete.Dispose(); // only dispose on success as we know we're done with the instance
                 }
 
@@ -332,7 +332,7 @@ public void Socket_StaticConnectAsync_Success(SocketImplementationType type)
 
                 if (Socket.ConnectAsync(SocketType.Stream, ProtocolType.Tcp, args))
                 {
-                    Assert.True(complete.WaitOne(TestSettings.PassingTestTimeout), "Timed out while waiting for connection");
+                    Assert.True(complete.WaitOne(TestSettings.PassingTestLongTimeout), "Timed out while waiting for connection");
                 }
 
                 Assert.Equal(SocketError.Success, args.SocketError);
@@ -348,7 +348,7 @@ public void Socket_StaticConnectAsync_Success(SocketImplementationType type)
 
                 if (Socket.ConnectAsync(SocketType.Stream, ProtocolType.Tcp, args))
                 {
-                    Assert.True(complete.WaitOne(TestSettings.PassingTestTimeout), "Timed out while waiting for connection");
+                    Assert.True(complete.WaitOne(TestSettings.PassingTestLongTimeout), "Timed out while waiting for connection");
                 }
 
                 complete.Dispose(); // only dispose on success as we know we're done with the instance
@@ -404,7 +404,7 @@ public void Socket_StaticConnectAsync_HostNotFound()
                 OnConnectAsyncCompleted(null, args);
             }
 
-            Assert.True(complete.WaitOne(TestSettings.PassingTestTimeout), "Timed out while waiting for connection");
+            Assert.True(complete.WaitOne(TestSettings.PassingTestLongTimeout), "Timed out while waiting for connection");
             complete.Dispose(); // only dispose on success as we know we're done with the instance
 
             AssertHostNotFoundOrNoData(args);