diff --git a/servers/slapd/nt_debug.c b/servers/slapd/nt_debug.c
new file mode 100644
index 0000000000..e506531b82
--- /dev/null
+++ b/servers/slapd/nt_debug.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+static FILE *log_file;
+
+void Debug( int level, char *fmt, ... )
+{
+	char buffer[4096];
+	va_list vl;
+
+	if( log_file == NULL )
+		log_file = fopen( "C:\\OpenLDAP\\run\\slapd.log", "w" );
+
+	va_start( vl, fmt );
+	vsprintf( buffer, fmt, vl );
+	fprintf( log_file, "%s\n", buffer );
+	fflush( log_file );
+	va_end( vl );
+}