diff --git a/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs b/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
index 293a5a683b..163f09bc26 100644
--- a/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
+++ b/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
@@ -18,6 +18,9 @@ namespace Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;
 /// </summary>
 public class LengthPrefixCommunicationChannel : ICommunicationChannel
 {
+
+    private const int NoSubscriberTimeoutMs = 100;
+
     private readonly BinaryReader _reader;
 
     private readonly BinaryWriter _writer;
@@ -87,6 +90,11 @@ public Task NotifyDataAvailable()
             // connection is closed.
             if (MessageReceived != null)
             {
+                if (MessageReceived.GetInvocationList().Length == 0)
+                {
+                    Task.Delay(NoSubscriberTimeoutMs);
+                }
+
                 var data = _reader.ReadString();
                 MessageReceived.SafeInvoke(this, new MessageReceivedEventArgs { Data = data }, "LengthPrefixCommunicationChannel: MessageReceived");
             }