diff --git a/include/Makefile.in b/include/Makefile.in
index 0c41dd4cd76..e27c6ca90d8 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -326,6 +326,7 @@ SRCDIR_INCLUDES = \
 	mmreg.h \
 	mmsystem.h \
 	mprapi.h \
+	mprerror.h \
 	msacm.h \
 	msacmdlg.h \
 	msacmdrv.h \
diff --git a/include/mprerror.h b/include/mprerror.h
new file mode 100644
index 00000000000..ac87e815c16
--- /dev/null
+++ b/include/mprerror.h
@@ -0,0 +1,74 @@
+/*
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given:
+ * The w64 mingw-runtime package and its code is distributed in the hope that it
+ * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR
+ * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to
+ * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef _MPRERROR_H_
+#define _MPRERROR_H_
+
+#define ROUTEBASE 900
+#define SUCCESS 0
+
+#define ERROR_ROUTER_STOPPED (ROUTEBASE+0)
+#define ERROR_ALREADY_CONNECTED (ROUTEBASE+1)
+#define ERROR_UNKNOWN_PROTOCOL_ID (ROUTEBASE+2)
+#define ERROR_DDM_NOT_RUNNING (ROUTEBASE+3)
+#define ERROR_INTERFACE_ALREADY_EXISTS (ROUTEBASE+4)
+#define ERROR_NO_SUCH_INTERFACE (ROUTEBASE+5)
+#define ERROR_INTERFACE_NOT_CONNECTED (ROUTEBASE+6)
+#define ERROR_PROTOCOL_STOP_PENDING (ROUTEBASE+7)
+#define ERROR_INTERFACE_CONNECTED (ROUTEBASE+8)
+#define ERROR_NO_INTERFACE_CREDENTIALS_SET (ROUTEBASE+9)
+#define ERROR_ALREADY_CONNECTING (ROUTEBASE+10)
+#define ERROR_UPDATE_IN_PROGRESS (ROUTEBASE+11)
+#define ERROR_INTERFACE_CONFIGURATION (ROUTEBASE+12)
+#define ERROR_NOT_CLIENT_PORT (ROUTEBASE+13)
+#define ERROR_NOT_ROUTER_PORT (ROUTEBASE+14)
+#define ERROR_CLIENT_INTERFACE_ALREADY_EXISTS (ROUTEBASE+15)
+#define ERROR_INTERFACE_DISABLED (ROUTEBASE+16)
+#define ERROR_AUTH_PROTOCOL_REJECTED (ROUTEBASE+17)
+#define ERROR_NO_AUTH_PROTOCOL_AVAILABLE (ROUTEBASE+18)
+#define ERROR_PEER_REFUSED_AUTH (ROUTEBASE+19)
+#define ERROR_REMOTE_NO_DIALIN_PERMISSION (ROUTEBASE+20)
+#define ERROR_REMOTE_PASSWD_EXPIRED (ROUTEBASE+21)
+#define ERROR_REMOTE_ACCT_DISABLED (ROUTEBASE+22)
+#define ERROR_REMOTE_RESTRICTED_LOGON_HOURS (ROUTEBASE+23)
+#define ERROR_REMOTE_AUTHENTICATION_FAILURE (ROUTEBASE+24)
+#define ERROR_INTERFACE_HAS_NO_DEVICES (ROUTEBASE+25)
+#define ERROR_IDLE_DISCONNECTED (ROUTEBASE+26)
+#define ERROR_INTERFACE_UNREACHABLE (ROUTEBASE+27)
+#define ERROR_SERVICE_IS_PAUSED (ROUTEBASE+28)
+#define ERROR_INTERFACE_DISCONNECTED (ROUTEBASE+29)
+#define ERROR_AUTH_SERVER_TIMEOUT (ROUTEBASE+30)
+#define ERROR_PORT_LIMIT_REACHED (ROUTEBASE+31)
+#define ERROR_PPP_SESSION_TIMEOUT (ROUTEBASE+32)
+#define ERROR_MAX_LAN_INTERFACE_LIMIT (ROUTEBASE+33)
+#define ERROR_MAX_WAN_INTERFACE_LIMIT (ROUTEBASE+34)
+#define ERROR_MAX_CLIENT_INTERFACE_LIMIT (ROUTEBASE+35)
+#define ERROR_BAP_DISCONNECTED (ROUTEBASE+36)
+#define ERROR_USER_LIMIT (ROUTEBASE+37)
+#define ERROR_NO_RADIUS_SERVERS (ROUTEBASE+38)
+#define ERROR_INVALID_RADIUS_RESPONSE (ROUTEBASE+39)
+#define ERROR_DIALIN_HOURS_RESTRICTION (ROUTEBASE+40)
+#define ERROR_ALLOWED_PORT_TYPE_RESTRICTION (ROUTEBASE+41)
+#define ERROR_AUTH_PROTOCOL_RESTRICTION (ROUTEBASE+42)
+#define ERROR_BAP_REQUIRED (ROUTEBASE+43)
+#define ERROR_DIALOUT_HOURS_RESTRICTION (ROUTEBASE+44)
+#define ERROR_ROUTER_CONFIG_INCOMPATIBLE (ROUTEBASE+45)
+#define WARNING_NO_MD5_MIGRATION (ROUTEBASE+46)
+#define ERROR_PROTOCOL_ALREADY_INSTALLED (ROUTEBASE+48)
+#define ERROR_INVALID_SIGNATURE_LENGTH (ROUTEBASE+49)
+#define ERROR_INVALID_SIGNATURE (ROUTEBASE+50)
+#define ERROR_NO_SIGNATURE (ROUTEBASE+51)
+#define ERROR_INVALID_PACKET_LENGTH_OR_ID (ROUTEBASE+52)
+#define ERROR_INVALID_ATTRIBUTE_LENGTH (ROUTEBASE+53)
+#define ERROR_INVALID_PACKET (ROUTEBASE+54)
+#define ERROR_AUTHENTICATOR_MISMATCH (ROUTEBASE+55)
+#define ROUTEBASEEND (ROUTEBASE+56)
+
+#endif