diff --git a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/CertificateGenerator.java b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/CertificateGenerator.java
index cda449e1ab..8750a82064 100755
--- a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/CertificateGenerator.java
+++ b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/CertificateGenerator.java
@@ -320,18 +320,20 @@ public class CertificateGenerator {
         Date validityBeginDate = commonUtil.getValidityStartDate();
         Date validityEndDate = commonUtil.getValidityEndDate();
 
-        X500Name certSubject = request.getSubject();
-        Attribute attributes[] = request.getAttributes();
+        X500Name certSubject = new X500Name(ConfigurationUtil.DEFAULT_PRINCIPAL);
+        //X500Name certSubject = request.getSubject();
 
-        if (certSubject == null) {
-            certSubject = new X500Name(ConfigurationUtil.DEFAULT_PRINCIPAL);
-        } else {
-            org.bouncycastle.asn1.x500.RDN[] rdn = certSubject.getRDNs();
+        Attribute attributes[] = request.getAttributes();
 
-            if (rdn == null || rdn.length == 0) {
-                certSubject = new X500Name(ConfigurationUtil.DEFAULT_PRINCIPAL);
-            }
-        }
+//        if (certSubject == null) {
+//            certSubject = new X500Name(ConfigurationUtil.DEFAULT_PRINCIPAL);
+//        } else {
+//            org.bouncycastle.asn1.x500.RDN[] rdn = certSubject.getRDNs();
+//
+//            if (rdn == null || rdn.length == 0) {
+//                certSubject = new X500Name(ConfigurationUtil.DEFAULT_PRINCIPAL);
+//            }
+//        }
 
         X509v3CertificateBuilder certificateBuilder = new X509v3CertificateBuilder(
                 new X500Name(issueSubject), CommonUtil.generateSerialNumber(),
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/FeatureManager.java b/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/FeatureManager.java
index 16d2f4063f..884311e935 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/FeatureManager.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/FeatureManager.java
@@ -24,10 +24,14 @@ public interface FeatureManager {
 
     boolean addFeature(Feature feature) throws DeviceManagementException;
 
+    boolean addFeatures(List<Feature> features) throws DeviceManagementException;
+
     Feature getFeature(String name) throws DeviceManagementException;
 
     List<Feature> getFeatures() throws DeviceManagementException;
 
     boolean removeFeature(String name) throws DeviceManagementException;
 
+    boolean addSupportedFeaturesToDB() throws DeviceManagementException;
+
 }
diff --git a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mssql.sql b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mssql.sql
index 5ddcee39fd..3e528bbbaa 100644
--- a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mssql.sql
+++ b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mssql.sql
@@ -2,7 +2,7 @@
 /* OBTAIN A LICENSE AT WWW.SQLINES.COM FOR FULL CONVERSION. THANK YOU. */
 
 CREATE TABLE DM_DEVICE_TYPE (
-     ID   INT identity NOT NULL,
+     ID INT IDENTITY NOT NULL,
      NAME VARCHAR(300) DEFAULT NULL,
      PRIMARY KEY (ID)
 );
@@ -406,4 +406,4 @@ CREATE TABLE DM_NOTIFICATION (
 
 -- TO:DO - Remo... *** SQLINES FOR EVALUATION USE ONLY ***
 --Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
---Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
\ No newline at end of file
+--Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
diff --git a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mysql.sql b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mysql.sql
index eb887f68c6..56bf241c20 100644
--- a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mysql.sql
+++ b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mysql.sql
@@ -2,8 +2,8 @@
 -- Table `DM_DEVICE_TYPE`
 -- -----------------------------------------------------
 CREATE  TABLE IF NOT EXISTS `DM_DEVICE_TYPE` (
-  `ID` INT(11) NOT NULL ,
-  `NAME` VARCHAR(300) DEFAULT NULL ,
+  `ID` INT(11) NOT NULL AUTO_INCREMENT,
+  `NAME` VARCHAR(300) NOT NULL ,
   PRIMARY KEY (`ID`) )
 ENGINE = InnoDB
 DEFAULT CHARACTER SET = latin1;
@@ -13,12 +13,12 @@ DEFAULT CHARACTER SET = latin1;
 -- Table `DM_DEVICE`
 -- -----------------------------------------------------
 CREATE  TABLE IF NOT EXISTS `DM_DEVICE` (
-  `ID` VARCHAR(20) NOT NULL ,
+  `ID` VARCHAR(20) NOT NULL AUTO_INCREMENT ,
   `DESCRIPTION` TEXT DEFAULT NULL ,
-  `NAME` VARCHAR(100) DEFAULT NULL ,
-  `DEVICE_TYPE_ID` INT(11) DEFAULT NULL ,
-  `DEVICE_IDENTIFICATION` VARCHAR(300) DEFAULT NULL ,
-  `TENANT_ID` INTEGER DEFAULT 0,
+  `NAME` VARCHAR(100) NOT NULL ,
+  `DEVICE_TYPE_ID` INT(11) NOT NULL ,
+  `DEVICE_IDENTIFICATION` VARCHAR(300) NOT NULL ,
+  `TENANT_ID` INTEGER NOT NULL,
   PRIMARY KEY (`ID`) ,
   INDEX `fk_DM_DEVICE_DM_DEVICE_TYPE2_idx` (`DEVICE_TYPE_ID` ASC) ,
   CONSTRAINT `fk_DM_DEVICE_DM_DEVICE_TYPE2`
diff --git a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/oracle.sql b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/oracle.sql
index 2982217eec..ef8909f917 100644
--- a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/oracle.sql
+++ b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/oracle.sql
@@ -2,7 +2,7 @@
 /* OBTAIN A LICENSE AT WWW.SQLINES.COM FOR FULL CONVERSION. THANK YOU. */
 
 CREATE TABLE DM_DEVICE_TYPE (
-     ID   NUMBER(10) NOT NULL,
+     ID NUMBER(10) NOT NULL,
      NAME VARCHAR2(300) DEFAULT NULL,
      PRIMARY KEY (ID)
 );
@@ -632,4 +632,4 @@ END;
 
 -- TO:DO - Remo... *** SQLINES FOR EVALUATION USE ONLY ***
 --Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
---Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
\ No newline at end of file
+--Insert into D... *** SQLINES FOR EVALUATION USE ONLY ***
diff --git a/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/postgres.sql b/features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/postgresql.sql
similarity index 100%
rename from features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/postgres.sql
rename to features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/postgresql.sql