diff --git a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
index 3b014fe693d..d79f46e1d6b 100644
--- a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
+++ b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
@@ -44,7 +44,6 @@ import org.wso2.carbon.identity.jwt.client.extension.service.JWTClientManagerSer
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.Response;
-import java.security.cert.X509Certificate;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -73,10 +72,8 @@ public class CertificateManagementAdminServiceImpl implements CertificateManagem
             for (EnrollmentCertificate enrollmentCertificate : enrollmentCertificates) {
                 certificate = new org.wso2.carbon.certificate.mgt.core.bean.Certificate();
                 certificate.setTenantId(PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId());
-                X509Certificate x509Certificate = certificateService
-                        .pemToX509Certificate(enrollmentCertificate.getPem());
-                certificate.setSerial(x509Certificate.getSerialNumber().toString());
-                certificate.setCertificate(x509Certificate);
+                certificate.setSerial(enrollmentCertificate.getSerial());
+                certificate.setCertificate(certificateService.pemToX509Certificate(enrollmentCertificate.getPem()));
                 certificates.add(certificate);
             }
             certificateService.saveCertificate(certificates);
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/create.hbs b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/create.hbs
index 004dc69f7d8..b128ceaf921 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/create.hbs
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/create.hbs
@@ -51,6 +51,14 @@
                                 <div id="certificate-create-error-msg" class="alert alert-danger hidden" role="alert">
                                     <i class="icon fw fw-error"></i><span></span>
                                 </div>
+
+                                <label class="wr-input-label ">
+                                    Serial Number *
+                                </label>
+                                <br>
+                                <div id="serialNoInputField" class="form-group wr-input-control">
+                                    <input type="text" id="serialNo" class="form-control"/>
+                                </div>
                                 <label class="wr-input-label">Certificate *</label>
                                 <div id="certificateField" class="form-group wr-input-control">
                                     <input type="file" id="certificate" class="form-control"/>
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/public/js/certificate-create.js b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/public/js/certificate-create.js
index 6de3971b80c..4ccd72a11fd 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/public/js/certificate-create.js
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.certificate.create/public/js/certificate-create.js
@@ -92,11 +92,17 @@ $(document).ready(function () {
      * when a user clicks on "Add Certificate" button.
      */
     $("button#add-certificate-btn").click(function () {
-        if (!pemContent) {
+        var serialNoInput = $("input#serialNo");
+        var serialNo = serialNoInput.val();
+        if (!serialNo) {
+            $(errorMsg).text("Serial Number is a required field. It cannot be empty.");
+            $(errorMsgWrapper).removeClass("hidden");
+        } else if (!pemContent) {
             $(errorMsg).text(" .pem file must contains certificate information.");
             $(errorMsgWrapper).removeClass("hidden");
         } else {
             var addCertificateFormData = {};
+            addCertificateFormData.serial = serialNo;
             addCertificateFormData.pem = pemContent;
             var certificateList = [];
             certificateList.push(addCertificateFormData);