diff --git a/TestON/tests/RCOnosScale4nodes/RCOnosScale4nodes.py b/TestON/tests/RCOnosScale4nodes/RCOnosScale4nodes.py
index 07fd8ff..53bc154 100644
--- a/TestON/tests/RCOnosScale4nodes/RCOnosScale4nodes.py
+++ b/TestON/tests/RCOnosScale4nodes/RCOnosScale4nodes.py
@@ -21,15 +21,13 @@
         main.RamCloud2.stop_serv()
         main.RamCloud3.stop_serv()
         main.RamCloud4.stop_serv()
-        main.ONOS1.handle.sendline("~/ONOS/onos.sh rc deldb")
-        main.ONOS1.handle.sendline("y")
-        main.ONOS2.handle.sendline("~/ONOS/onos.sh rc deldb")
-        main.ONOS2.handle.sendline("y")
-        main.ONOS3.handle.sendline("~/ONOS/onos.sh rc deldb")
-        main.ONOS3.handle.sendline("y")
-        main.ONOS4.handle.sendline("~/ONOS/onos.sh rc deldb")
-        main.ONOS4.handle.sendline("y") 
+        time.sleep(4)
+        main.RamCloud1.del_db()
+        main.RamCloud2.del_db()
+        main.RamCloud3.del_db()
+        main.RamCloud4.del_db()
         time.sleep(10)
+        
         main.RamCloud1.start_coor()
         time.sleep(10)
         main.RamCloud1.start_serv()
@@ -275,3 +273,19 @@
  
         utilities.assert_equals(expect=main.TRUE,actual=test)
 
+      def CASE66(self, main):
+        main.log.report("Checking ONOS logs for exceptions")
+        check1 = main.ONOS1.check_exceptions()
+        main.log.report("Exceptions in ONOS1 logs: \n" + check1)
+        check2 = main.ONOS2.check_exceptions()
+        main.log.report("Exceptions in ONOS2 logs: \n" + check2)
+        check3 = main.ONOS3.check_exceptions()
+        main.log.report("Exceptions in ONOS3 logs: \n" + check3)
+        check4 = main.ONOS4.check_exceptions()
+        main.log.report("Exceptions in ONOS4 logs: \n" + check4)
+        result = main.FALSE
+        if (check1 or check2 or check3 or check4):
+            result = main.TRUE
+        utilities.assert_equals(expect=main.TRUE,actual=result,onpass="No Exceptions found in the logs",onfail="Exceptions found")
+
+