diff --git a/src/libcharon/encoding/payloads/notify_payload.c b/src/libcharon/encoding/payloads/notify_payload.c
index a514463d0..5a47438ca 100644
--- a/src/libcharon/encoding/payloads/notify_payload.c
+++ b/src/libcharon/encoding/payloads/notify_payload.c
@@ -56,7 +56,9 @@ ENUM_NEXT(notify_type_names, SINGLE_PAIR_REQUIRED, CHILD_SA_NOT_FOUND, AUTHENTIC
 	"CHILD_SA_NOT_FOUND");
 ENUM_NEXT(notify_type_names, ME_CONNECT_FAILED, ME_CONNECT_FAILED, CHILD_SA_NOT_FOUND,
 	"ME_CONNECT_FAILED");
-ENUM_NEXT(notify_type_names, INITIAL_CONTACT, IPSEC_REPLAY_COUNTER_SYNC, ME_CONNECT_FAILED,
+ENUM_NEXT(notify_type_names, MS_NOTIFY_STATUS, MS_NOTIFY_STATUS, ME_CONNECT_FAILED,
+	"MS_NOTIFY_STATUS");
+ENUM_NEXT(notify_type_names, INITIAL_CONTACT, IPSEC_REPLAY_COUNTER_SYNC, MS_NOTIFY_STATUS,
 	"INITIAL_CONTACT",
 	"SET_WINDOW_SIZE",
 	"ADDITIONAL_TS_POSSIBLE",
@@ -141,7 +143,9 @@ ENUM_NEXT(notify_type_short_names, SINGLE_PAIR_REQUIRED, CHILD_SA_NOT_FOUND, AUT
 	"NO_CHILD_SA");
 ENUM_NEXT(notify_type_short_names, ME_CONNECT_FAILED, ME_CONNECT_FAILED, CHILD_SA_NOT_FOUND,
 	"ME_CONN_FAIL");
-ENUM_NEXT(notify_type_short_names, INITIAL_CONTACT, IPSEC_REPLAY_COUNTER_SYNC, ME_CONNECT_FAILED,
+ENUM_NEXT(notify_type_short_names, MS_NOTIFY_STATUS, MS_NOTIFY_STATUS, ME_CONNECT_FAILED,
+	"MS_STATUS");
+ENUM_NEXT(notify_type_short_names, INITIAL_CONTACT, IPSEC_REPLAY_COUNTER_SYNC, MS_NOTIFY_STATUS,
 	"INIT_CONTACT",
 	"SET_WINSIZE",
 	"ADD_TS_POSS",
diff --git a/src/libcharon/encoding/payloads/notify_payload.h b/src/libcharon/encoding/payloads/notify_payload.h
index cb536b4ec..35feb4871 100644
--- a/src/libcharon/encoding/payloads/notify_payload.h
+++ b/src/libcharon/encoding/payloads/notify_payload.h
@@ -71,6 +71,9 @@ enum notify_type_t {
 	/* IKE-ME, private use */
 	ME_CONNECT_FAILED = 8192,
 
+	/* Windows error code */
+	MS_NOTIFY_STATUS = 12345,
+
 	/* notify status messages */
 	INITIAL_CONTACT = 16384,
 	SET_WINDOW_SIZE = 16385,