diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/PolicyOperationDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/PolicyOperationDAOImpl.java
index 07c6112bd60..1bff85ae61c 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/PolicyOperationDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/PolicyOperationDAOImpl.java
@@ -39,6 +39,8 @@ public class PolicyOperationDAOImpl extends OperationDAOImpl {
     public int addOperation(Operation operation) throws OperationManagementDAOException {
         int operationId;
         PreparedStatement stmt = null;
+        ByteArrayOutputStream bao = null;
+        ObjectOutputStream oos = null;
         try {
             operationId = super.addOperation(operation);
             operation.setCreatedTimeStamp(new Timestamp(new java.util.Date().getTime()).toString());
@@ -48,12 +50,33 @@ public class PolicyOperationDAOImpl extends OperationDAOImpl {
             Connection conn = OperationManagementDAOFactory.getConnection();
             stmt = conn.prepareStatement("INSERT INTO DM_POLICY_OPERATION(OPERATION_ID, OPERATION_DETAILS) " +
                     "VALUES(?, ?)");
+
+            bao = new ByteArrayOutputStream();
+            oos = new ObjectOutputStream(bao);
+            oos.writeObject(operation);
+
             stmt.setInt(1, operationId);
-            stmt.setObject(2, policyOperation);
+            stmt.setBytes(2, bao.toByteArray());
             stmt.executeUpdate();
         } catch (SQLException e) {
             throw new OperationManagementDAOException("Error occurred while adding policy operation", e);
+        } catch (IOException e) {
+            throw new OperationManagementDAOException("Error occurred while serializing policy operation object", e);
         } finally {
+            if (bao != null) {
+                try {
+                    bao.close();
+                } catch (IOException e) {
+                    log.warn("Error occurred while closing ByteArrayOutputStream", e);
+                }
+            }
+            if (oos != null) {
+                try {
+                    oos.close();
+                } catch (IOException e) {
+                    log.warn("Error occurred while closing ObjectOutputStream", e);
+                }
+            }
             OperationManagementDAOUtil.cleanupResources(stmt);
         }
         return operationId;
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/MonitoringDAO.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/MonitoringDAO.java
index 522b20f3703..a7f42df06c7 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/MonitoringDAO.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/MonitoringDAO.java
@@ -46,7 +46,7 @@ public interface MonitoringDAO {
 
     void setDeviceAsCompliance(int deviceId, int enrolmentId, int policyId) throws MonitoringDAOException;
 
-    void addNoneComplianceFeatures(int policyComplianceStatusId, int deviceId, List<ComplianceFeature>
+    void addNonComplianceFeatures(int policyComplianceStatusId, int deviceId, List<ComplianceFeature>
             complianceFeatures)
             throws MonitoringDAOException;
 
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/FeatureDAOImpl.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/FeatureDAOImpl.java
index 9688d1c53da..0af516ac70a 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/FeatureDAOImpl.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/FeatureDAOImpl.java
@@ -67,7 +67,7 @@ public class FeatureDAOImpl implements FeatureDAO {
             conn = this.getConnection();
             String query = "INSERT INTO DM_PROFILE_FEATURES (PROFILE_ID, FEATURE_CODE, DEVICE_TYPE_ID, CONTENT, " +
                     "TENANT_ID) VALUES (?, ?, ?, ?, ?)";
-            stmt = conn.prepareStatement(query, PreparedStatement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query, new String[] {"id"});
 
             for (ProfileFeature feature : features) {
                 stmt.setInt(1, profileId);
@@ -113,13 +113,9 @@ public class FeatureDAOImpl implements FeatureDAO {
             String query = "UPDATE DM_PROFILE_FEATURES SET CONTENT = ? WHERE PROFILE_ID = ? AND FEATURE_CODE = ? AND" +
                     " TENANT_ID = ?";
 
-            stmt = conn.prepareStatement(query, PreparedStatement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query);
             for (ProfileFeature feature : features) {
-                if (conn.getMetaData().getDriverName().contains("H2")) {
-                    stmt.setBytes(1, PolicyManagerUtil.getBytes(feature.getContent()));
-                } else {
-                    stmt.setBytes(1, PolicyManagerUtil.getBytes(feature.getContent()));
-                }
+                stmt.setBytes(1, PolicyManagerUtil.getBytes(feature.getContent()));
                 stmt.setInt(2, profileId);
                 stmt.setString(3, feature.getFeatureCode());
                 stmt.setInt(4, tenantId);
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/MonitoringDAOImpl.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/MonitoringDAOImpl.java
index 54d0ff01988..20dac46f784 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/MonitoringDAOImpl.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/MonitoringDAOImpl.java
@@ -206,7 +206,7 @@ public class MonitoringDAOImpl implements MonitoringDAO {
     }
 
     @Override
-    public void addNoneComplianceFeatures(int policyComplianceStatusId, int deviceId, List<ComplianceFeature>
+    public void addNonComplianceFeatures(int policyComplianceStatusId, int deviceId, List<ComplianceFeature>
             complianceFeatures) throws MonitoringDAOException {
         Connection conn;
         PreparedStatement stmt = null;
@@ -215,7 +215,7 @@ public class MonitoringDAOImpl implements MonitoringDAO {
             conn = this.getConnection();
             String query = "INSERT INTO DM_POLICY_COMPLIANCE_FEATURES (COMPLIANCE_STATUS_ID, FEATURE_CODE, STATUS, " +
                     "TENANT_ID) VALUES (?, ?, ?, ?) ";
-            stmt = conn.prepareStatement(query, PreparedStatement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query);
             for (ComplianceFeature feature : complianceFeatures) {
                 stmt.setInt(1, policyComplianceStatusId);
                 stmt.setString(2, feature.getFeatureCode());
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/PolicyDAOImpl.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/PolicyDAOImpl.java
index 33a56b66239..c29c17f832b 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/PolicyDAOImpl.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/PolicyDAOImpl.java
@@ -442,7 +442,7 @@ public class PolicyDAOImpl implements PolicyDAO {
         try {
             conn = this.getConnection();
             String query = "INSERT INTO DM_CRITERIA (TENANT_ID, NAME) VALUES (?, ?)";
-            stmt = conn.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query, new String[] {"id"});
             stmt.setInt(1, tenantId);
             stmt.setString(2, criteria.getName());
             stmt.executeUpdate();
@@ -622,7 +622,7 @@ public class PolicyDAOImpl implements PolicyDAO {
         try {
             conn = this.getConnection();
             String query = "INSERT INTO DM_POLICY_CRITERIA (CRITERIA_ID, POLICY_ID) VALUES (?, ?)";
-            stmt = conn.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query, new String[] {"id"});
 
             List<PolicyCriterion> criteria = policy.getPolicyCriterias();
             for (PolicyCriterion criterion : criteria) {
@@ -1348,7 +1348,7 @@ public class PolicyDAOImpl implements PolicyDAO {
             conn = this.getConnection();
             String query = "INSERT INTO DM_POLICY (NAME, PROFILE_ID, TENANT_ID, PRIORITY, COMPLIANCE, OWNERSHIP_TYPE," +
                     "UPDATED, ACTIVE, DESCRIPTION) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
-            stmt = conn.prepareStatement(query, PreparedStatement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query, new String[] {"id"});
 
             stmt.setString(1, policy.getPolicyName());
             stmt.setInt(2, policy.getProfile().getProfileId());
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/ProfileDAOImpl.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/ProfileDAOImpl.java
index fc10f61ee17..371c545b35e 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/ProfileDAOImpl.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/dao/impl/ProfileDAOImpl.java
@@ -51,7 +51,7 @@ public class ProfileDAOImpl implements ProfileDAO {
             conn = this.getConnection();
             String query = "INSERT INTO DM_PROFILE " +
                     "(PROFILE_NAME,TENANT_ID, DEVICE_TYPE_ID, CREATED_TIME, UPDATED_TIME) VALUES (?, ?, ?, ?, ?)";
-            stmt = conn.prepareStatement(query, PreparedStatement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(query, new String[] {"id"});
 
             stmt.setString(1, profile.getProfileName());
             stmt.setInt(2, tenantId);
diff --git a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/mgt/impl/MonitoringManagerImpl.java b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/mgt/impl/MonitoringManagerImpl.java
index f6d14166a4a..1d1844aed2d 100644
--- a/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/mgt/impl/MonitoringManagerImpl.java
+++ b/components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/mgt/impl/MonitoringManagerImpl.java
@@ -120,7 +120,7 @@ public class MonitoringManagerImpl implements MonitoringManager {
                         if (log.isDebugEnabled()) {
                             log.debug("Compliance status primary key " + complianceData.getId());
                         }
-                        monitoringDAO.addNoneComplianceFeatures(complianceData.getId(), device.getId(),
+                        monitoringDAO.addNonComplianceFeatures(complianceData.getId(), device.getId(),
                                 complianceFeatures);
 
                         PolicyManagementDAOFactory.commitTransaction();