diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
index 2f4e9485d..f2bbccf02 100644
--- a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
@@ -22,6 +22,7 @@ namespace RSUHealthMonitor
     void RSUConfigurationList::parseRSUs(std::string rsuConfigsStr)
     {
         auto json = parseJson(rsuConfigsStr);
+        std::vector<RSUConfiguration> tempConfigs;
         RSUConfiguration config;
         auto rsuArray = json["RSUS"];
         if (!rsuArray.isArray())
@@ -41,11 +42,12 @@ namespace RSUHealthMonitor
 
             if (rsuArray[i].isMember(SNMPPortKey))
             {
-                config.snmpPort = atoi(rsuArray[i][SNMPPortKey].asCString());
+                auto port = atoi(rsuArray[i][SNMPPortKey].asCString());
+                port != 0 ? config.snmpPort = port : throw RSUConfigurationException("Invalid port number in string format.");
             }
             else
             {
-                throw RSUConfigurationException("SNMP port does not exist.");
+                throw RSUConfigurationException("Either SNMP port does not exist.");
             }
 
             if (rsuArray[i].isMember(AuthPassPhraseKey))
@@ -75,15 +77,18 @@ namespace RSUHealthMonitor
             {
                 throw RSUConfigurationException("RSU mib version does not exist.");
             }
-            configs.push_back(config);
+            tempConfigs.push_back(config);
         }
+        // Only update RSU configurations when all configs are processed correctly.
+        configs.clear();
+        configs.assign(tempConfigs.begin(), tempConfigs.end());
     }
 
     RSUMibVersion RSUConfigurationList::strToMibVersion(std::string &mibVersionStr)
     {
         boost::trim_left(mibVersionStr);
         boost::trim_right(mibVersionStr);
-        // Support RSU MIB version 4.1
+        // Only support RSU MIB version 4.1
         if (boost::iequals(mibVersionStr, RSU4_1_str))
         {
             return RSUMibVersion::RSUMIB_V_4_1;
diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.cpp b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.cpp
index 1c0128fef..59f9b825c 100755
--- a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.cpp
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.cpp
@@ -38,12 +38,16 @@ namespace RSUHealthMonitor
         lock_guard<mutex> lock(_configMutex);
         GetConfigValue<uint16_t>("Interval", _interval);
         GetConfigValue<string>("RSUConfigurationList", _rsuConfigListStr);
-        _rsuConfigListPtr->parseRSUs(_rsuConfigListStr);
 
         try
         {
+            _rsuConfigListPtr->parseRSUs(_rsuConfigListStr);
             _rsuStatusTimer->ChangeFrequency(_timerThId, std::chrono::milliseconds(_interval * SEC_TO_MILLI));
         }
+        catch (const RSUConfigurationException &ex)
+        {
+            PLOG(logERROR) << "Cannot update RSU configurations due to error: " << ex.what();
+        }
         catch (const tmx::TmxException &ex)
         {
             PLOG(logERROR) << ex.what();
diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.h b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.h
index 1e5d21b91..e41ec8d8c 100755
--- a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.h
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUHealthMonitorPlugin.h
@@ -18,13 +18,6 @@ namespace RSUHealthMonitor
     private:
         mutex _configMutex;
         uint16_t _interval;
-        // string _rsuIp;
-        // uint16_t _snmpPort;
-        // string _authPassPhrase;
-        // string _securityUser;
-        // string _securityLevel;
-        // string _rsuMIBVersionStr;
-        // RSUMibVersion _rsuMibVersion;
         string _rsuConfigListStr;
         shared_ptr<RSUConfigurationList> _rsuConfigListPtr;
         shared_ptr<RSUHealthMonitorWorker> _rsuWorker;
diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/test/test_RSUConfigurationList.cpp b/src/v2i-hub/RSUHealthMonitorPlugin/test/test_RSUConfigurationList.cpp
index f048babc3..c7d637e3f 100644
--- a/src/v2i-hub/RSUHealthMonitorPlugin/test/test_RSUConfigurationList.cpp
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/test/test_RSUConfigurationList.cpp
@@ -15,6 +15,10 @@ namespace RSUHealthMonitor
         std::string rsuConfigsStr = "{ \"RSUS\": [ { \"RSUIp\": \"192.168.XX.XX\", \"SNMPPort\": \"161\", \"AuthPassPhrase\": \"dummy\", \"User\": \"authOnlyUser\", \"RSUMIBVersion\": \"RSU4.1\" },{ \"RSUIp\": \"192.168.00.XX\", \"SNMPPort\": \"162\", \"AuthPassPhrase\": \"tester\", \"User\": \"authPrivUser\", \"RSUMIBVersion\": \"RSU4.1\" }] }";
         rsuConfigList->parseRSUs(rsuConfigsStr);
         ASSERT_EQ(2, rsuConfigList->getConfigs().size());
+        std::stringstream ss;
+        ss << rsuConfigList->getConfigs()[0];
+        std::string expected = "RSUIp: 192.168.XX.XX, SNMPPort: 161, User: authOnlyUser, AuthPassPhrase: dummy, SecurityLevel: authPriv, RSUMIBVersion: RSU 4.1";
+        ASSERT_EQ(expected, ss.str());
     }
     TEST_F(test_RSUConfigurationList, parseAndGetConfigs_MalformatJSON)
     {
@@ -40,6 +44,13 @@ namespace RSUHealthMonitor
         ASSERT_EQ(0, rsuConfigList->getConfigs().size());
     }
 
+    TEST_F(test_RSUConfigurationList, parseAndGetConfigs_INVALID_SNMPPORT)
+    {
+        auto rsuConfigsStr = "{ \"RSUS\": [ { \"RSUIp\": \"192.168.01.XX\", \"SNMPPort\": \"162\", \"AuthPassPhrase\": \"dummy\", \"User\": \"authOnlyUser\", \"RSUMIBVersion\": \"RSU4.1\" },{ \"RSUIp\": \"192.168.00.XX\", \"SNMPPort\": \"INVALID_PORT\", \"AuthPassPhrase\": \"tester\", \"User\": \"authPrivUser\", \"RSUMIBVersion\": \"RSU4.1\" }] }";
+        ASSERT_THROW(rsuConfigList->parseRSUs(rsuConfigsStr), RSUHealthMonitor::RSUConfigurationException);
+        ASSERT_EQ(0, rsuConfigList->getConfigs().size());
+    }
+
     TEST_F(test_RSUConfigurationList, parseAndGetConfigs_Missing_AuthPassPhrase)
     {
         ASSERT_EQ(0, rsuConfigList->getConfigs().size());