diff --git a/contrib/platform/win32/CMakeModules/ompi_configure.cmake b/contrib/platform/win32/CMakeModules/ompi_configure.cmake
index f690c9f45e..329c0e071b 100644
--- a/contrib/platform/win32/CMakeModules/ompi_configure.cmake
+++ b/contrib/platform/win32/CMakeModules/ompi_configure.cmake
@@ -369,6 +369,9 @@ ELSE(NOT OMPI_WANT_MPI_INTERFACE_WARNING)
 ENDIF(NOT OMPI_WANT_MPI_INTERFACE_WARNING)
 
 
+SET (OMPI_EXT_COMPONENTS Example CACHE STRING 
+  "Specify user defined MPI Extended Interface Components." FORCE)
+
 ###################################################################
 #                           Check headers                         #
 ###################################################################
diff --git a/contrib/platform/win32/ConfigFiles/opal_config.h.cmake b/contrib/platform/win32/ConfigFiles/opal_config.h.cmake
index 57b865ab9b..c50bfaa1dd 100644
--- a/contrib/platform/win32/ConfigFiles/opal_config.h.cmake
+++ b/contrib/platform/win32/ConfigFiles/opal_config.h.cmake
@@ -832,6 +832,9 @@
 /* Whether user wants PTY support or not */
 #define OPAL_ENABLE_PTY_SUPPORT ${OPAL_ENABLE_PTY_SUPPORT}
 
+/* MPI Extended Interface Components */
+#define OMPI_EXT_COMPONENTS "${OMPI_EXT_COMPONENTS}"
+
 /* OMPI underlying F77 compiler */
 #define OMPI_F77 "${CMAKE_Fortran_COMPILER}"