diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
index aedc981f48..14e1109cf5 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
@@ -300,16 +300,15 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
         List<Device> devices = new ArrayList<>();
         try {
             conn = this.getConnection();
-            String sql = "SELECT d1.ID AS DEVICE_ID, d1.DESCRIPTION, d1.NAME AS DEVICE_NAME, d1.DEVICE_TYPE, " +
-                    "d1.DEVICE_IDENTIFICATION, e.OWNER, e.OWNERSHIP, e.STATUS, e.DATE_OF_LAST_UPDATE, " +
-                    "e.DATE_OF_ENROLMENT, e.ID AS ENROLMENT_ID FROM DM_ENROLMENT e, (SELECT t.NAME AS DEVICE_TYPE, " +
-                    "d.ID, d.DESCRIPTION, d.NAME, d.DEVICE_IDENTIFICATION FROM DM_DEVICE d, DM_DEVICE_TYPE t " +
-                    "WHERE d.DEVICE_TYPE_ID = t.ID AND d.TENANT_ID = ?) d1 " +
-                    "WHERE DEVICE_ID = e.DEVICE_ID AND TENANT_ID = ? AND e.OWNER = ?";
+            String sql = "SELECT e1.OWNER, e1.OWNERSHIP, e1.ENROLMENT_ID, e1.DEVICE_ID, e1.STATUS, e1.DATE_OF_LAST_UPDATE," +
+                         " e1.DATE_OF_ENROLMENT, d.DESCRIPTION, d.NAME AS DEVICE_NAME, d.DEVICE_IDENTIFICATION, t.NAME " +
+                         "AS DEVICE_TYPE FROM DM_DEVICE d, (SELECT e.OWNER, e.OWNERSHIP, e.ID AS ENROLMENT_ID, " +
+                         "e.DEVICE_ID, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e WHERE " +
+                         "e.TENANT_ID = ? AND e.OWNER = ?) e1, DM_DEVICE_TYPE t WHERE d.ID = e1.DEVICE_ID " +
+                         "AND t.ID = d.DEVICE_TYPE_ID";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
-            stmt.setInt(2, tenantId);
-            stmt.setString(3, username);
+            stmt.setString(2, username);
             ResultSet rs = stmt.executeQuery();
 
             while (rs.next()) {
@@ -609,7 +608,7 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
             stmt.setString(index++, status.toString());
             stmt.setInt(index, tenantId);
             rs = stmt.executeQuery();
-            if (rs.next()) {
+            while (rs.next()) {
                 enrolments.add(DeviceManagementDAOUtil.loadEnrolment(rs));
             }
             return enrolments;
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java
index 58cb057153..7ef4b8f5da 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java
@@ -97,7 +97,7 @@ public class OperationManagerImpl implements OperationManager {
                     List<EnrolmentInfo> enrolments;
                     try {
                         DeviceManagementDAOFactory.openConnection();
-                        enrolments = deviceDAO.getEnrolmentsByStatus(deviceIds, EnrolmentInfo.Status.ACTIVE, tenantId);
+                        enrolments = deviceDAO.getEnrolmentsByStatus(authorizedDeviceList, EnrolmentInfo.Status.ACTIVE, tenantId);
                     } catch (SQLException e) {
                         throw new OperationManagementException("Error occurred while opening a connection the data " +
                                                                "source", e);
diff --git a/components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java b/components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java
index da8b4cfabc..b701b9bf96 100644
--- a/components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java
+++ b/components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java
@@ -139,7 +139,9 @@ public class WebappAuthenticationValve extends CarbonTomcatValve {
                     msg = authenticationInfo.getMessage();
                     response.setHeader("WWW-Authenticate", msg);
                 }
-                log.error(msg + " , API : " + request.getRequestURI());
+                if (log.isDebugEnabled()) {
+                    log.debug(msg + " , API : " + request.getRequestURI());
+                }
                 AuthenticationFrameworkUtil
                         .handleResponse(request, response, HttpServletResponse.SC_UNAUTHORIZED,
                                         msg);