diff --git a/reactos/include/psdk/clusapi.h b/reactos/include/psdk/clusapi.h
new file mode 100644
index 00000000000..6f07409deb1
--- /dev/null
+++ b/reactos/include/psdk/clusapi.h
@@ -0,0 +1,19 @@
+
+#ifndef _CLUSAPI_H
+#define _CLUSAPI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+DWORD
+WINAPI
+GetNodeClusterState(
+    IN  LPCWSTR lpszNodeName,
+    OUT DWORD   *pdwClusterState
+    );
+
+#ifdef __cplusplus
+}
+#endif
+#endif // _CLUSAPI_H