diff --git a/bridge_master.py b/bridge_master.py
index f5f05fd..68e86a5 100755
--- a/bridge_master.py
+++ b/bridge_master.py
@@ -2086,6 +2086,9 @@ if __name__ == '__main__':
     
     for system in CONFIG['SYSTEMS']:
         if CONFIG['SYSTEMS'][system]['ENABLED']:
+            if CONFIG['SYSTEMS'][system]['MODE'] == 'XLXPEER' or CONFIG['SYSTEMS'][system]['MODE'] == 'PEER':
+                logger.warning('(GLOBAL) system %s not started - XLXPEER and PEER connections currently unsupported ', system)
+                continue
             if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE':
                 systems[system] = routerOBP(system, CONFIG, report_server)                
             else: