diff --git a/Source/GmmLib/ULT/GmmMultiAdapterULT.h b/Source/GmmLib/ULT/GmmMultiAdapterULT.h
index 44ac8b6..c7f2ca8 100644
--- a/Source/GmmLib/ULT/GmmMultiAdapterULT.h
+++ b/Source/GmmLib/ULT/GmmMultiAdapterULT.h
@@ -25,7 +25,7 @@
 #include "stdafx.h"
 #include "GmmCommonULT.h"
 
-#define MAX_COUNT_PER_ADAPTER       5
+#define MAX_COUNT_PER_ADAPTER       3
 
 #ifdef _WIN32
 #define GMM_DLL_HANDLE      HINSTANCE
diff --git a/Source/GmmLib/inc/External/Common/GmmInfo.h b/Source/GmmLib/inc/External/Common/GmmInfo.h
index 0524c48..7f79203 100644
--- a/Source/GmmLib/inc/External/Common/GmmInfo.h
+++ b/Source/GmmLib/inc/External/Common/GmmInfo.h
@@ -566,7 +566,7 @@
     };
 
 // Max number of Multi-Adapters allowed in the system
-#define MAX_NUM_ADAPTERS      32
+#define MAX_NUM_ADAPTERS      9
 //===========================================================================
 // typedef:
 //      _GMM_ADAPTER_INFO_