diff --git a/windows/src/engine/keyman32/k32_lowlevelkeyboardhook.cpp b/windows/src/engine/keyman32/k32_lowlevelkeyboardhook.cpp
index 60d6a029b0..79f478ce33 100644
--- a/windows/src/engine/keyman32/k32_lowlevelkeyboardhook.cpp
+++ b/windows/src/engine/keyman32/k32_lowlevelkeyboardhook.cpp
@@ -109,8 +109,10 @@ LRESULT _kmnLowLevelKeyboardProc(
 
   SendDebugMessageFormat(0, sdmAIDefault, 0, "kmnLowLevelKeyboardProc: wparam: %x  lparam: %x [vk:%s scan:%x flags:%x extra:%x]", wParam, lParam, Debug_VirtualKey((WORD) hs->vkCode), hs->scanCode, hs->flags, hs->dwExtraInfo);   // I4674
 
-  if (hs->dwExtraInfo == EXTRAINFO_FLAG_SERIALIZED_USER_KEY_EVENT || hs->scanCode == SCAN_FLAG_KEYMAN_KEY_EVENT || hs->vkCode == VK_PROCESSKEY || hs->vkCode == VK_PACKET) {
+  if (hs->dwExtraInfo != 0 || hs->scanCode == SCAN_FLAG_KEYMAN_KEY_EVENT || hs->vkCode == VK_PROCESSKEY || hs->vkCode == VK_PACKET) {
     // This key event was generated by Keyman, so pass it through
+    // dwExtraInfo is set to 0x4321DCBA by mstsc which does prefiltering. So we ignore for anything where dwExtraInfo!=0 because it 
+    // probably is not hardware generated and may cause more issues to filter it
     return CallNextHookEx(Globals::get_hhookLowLevelKeyboardProc(), nCode, wParam, lParam);
   }