diff --git a/xCAT-server/lib/xcat/plugins/slpdiscover.pm b/xCAT-server/lib/xcat/plugins/slpdiscover.pm
index 70683f5ae..ee584141c 100644
--- a/xCAT-server/lib/xcat/plugins/slpdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/slpdiscover.pm
@@ -209,6 +209,7 @@ sub setupIMM {
 		$ssh->close();
 		$ipmitab->setNodeAttribs($node,{bmcid=>$slpdata->{macaddress}});
 	}
+	exit(0);
 }
 
 sub configure_hosted_elements {