diff --git a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java
index 3703101fd2b..26cb256e294 100644
--- a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java
+++ b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/GenericCertificateDAOImpl.java
@@ -67,7 +67,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                sql += " AND DEVICE_IDENTIFIER = ?";
+                sql += " AND DEVICE_IDENTIFIER LIKE ?";
             }
 
             if (StringUtils.isNotEmpty(username)) {
@@ -83,7 +83,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 }
 
                 if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
 
                 if (StringUtils.isNotEmpty(username)) {
@@ -129,7 +129,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                query += "AND DEVICE_IDENTIFIER = ? ";
+                query += "AND DEVICE_IDENTIFIER LIKE ? ";
                 isCertificateDeviceIdentifierProvided = true;
             }
 
@@ -147,7 +147,7 @@ public class GenericCertificateDAOImpl extends AbstractCertificateDAOImpl {
                     stmt.setString(paramIdx++, "%" + serialNumber + "%");
                 }
                 if (isCertificateDeviceIdentifierProvided) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
                 if (isCertificateUsernameProvided) {
                     stmt.setString(paramIdx++, "%" + username + "%");
diff --git a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/OracleCertificateDAOImpl.java b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/OracleCertificateDAOImpl.java
index 31c4779dc51..e60ee4a6c00 100644
--- a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/OracleCertificateDAOImpl.java
+++ b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/OracleCertificateDAOImpl.java
@@ -68,7 +68,7 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                query += "AND DEVICE_IDENTIFIER = ? ";
+                query += "AND DEVICE_IDENTIFIER LIKE ? ";
                 isCertificateDeviceIdentifierProvided = true;
             }
 
@@ -83,10 +83,10 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 int paramIdx = 1;
                 stmt.setInt(paramIdx++, tenantId);
                 if (isCertificateSerialNumberProvided) {
-                    stmt.setString(paramIdx++, "%" + serialNumber+ "%");
+                    stmt.setString(paramIdx++, "%" + serialNumber + "%");
                 }
                 if (isCertificateDeviceIdentifierProvided) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
                 if (isCertificateUsernameProvided) {
                     stmt.setString(paramIdx++, "%" + username + "%");
@@ -140,7 +140,7 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                sql += " AND DEVICE_IDENTIFIER = ?";
+                sql += " AND DEVICE_IDENTIFIER LIKE ?";
             }
 
             if (StringUtils.isNotEmpty(username)) {
@@ -156,7 +156,7 @@ public class OracleCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 }
 
                 if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
 
                 if (StringUtils.isNotEmpty(username)) {
diff --git a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/PostgreSQLCertificateDAOImpl.java b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/PostgreSQLCertificateDAOImpl.java
index 55fd124a95f..48effed43ba 100644
--- a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/PostgreSQLCertificateDAOImpl.java
+++ b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/PostgreSQLCertificateDAOImpl.java
@@ -68,7 +68,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                query += "AND DEVICE_IDENTIFIER = ? ";
+                query += "AND DEVICE_IDENTIFIER LIKE ? ";
                 isCertificateDeviceIdentifierProvided = true;
             }
 
@@ -86,7 +86,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
                     stmt.setString(paramIdx++, "%" + serialNumber + "%");
                 }
                 if (isCertificateDeviceIdentifierProvided) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
                 if (isCertificateUsernameProvided) {
                     stmt.setString(paramIdx++, "%" + username + "%");
@@ -140,7 +140,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                sql += " AND DEVICE_IDENTIFIER = ?";
+                sql += " AND DEVICE_IDENTIFIER LIKE ?";
             }
 
             if (StringUtils.isNotEmpty(username)) {
@@ -156,7 +156,7 @@ public class PostgreSQLCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 }
 
                 if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
 
                 if (StringUtils.isNotEmpty(username)) {
diff --git a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/SQLServerCertificateDAOImpl.java b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/SQLServerCertificateDAOImpl.java
index 6734fcd997f..5cd02c63d02 100644
--- a/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/SQLServerCertificateDAOImpl.java
+++ b/components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/main/java/io/entgra/device/mgt/core/certificate/mgt/core/dao/impl/SQLServerCertificateDAOImpl.java
@@ -68,7 +68,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                query += "AND DEVICE_IDENTIFIER = ? ";
+                query += "AND DEVICE_IDENTIFIER LIKE ? ";
                 isCertificateDeviceIdentifierProvided = true;
             }
 
@@ -86,7 +86,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
                     stmt.setString(paramIdx++, "%" + serialNumber + "%");
                 }
                 if (isCertificateDeviceIdentifierProvided) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
                 if (isCertificateUsernameProvided) {
                     stmt.setString(paramIdx++, "%" + username + "%");
@@ -140,7 +140,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
             }
 
             if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                sql += " AND DEVICE_IDENTIFIER = ?";
+                sql += " AND DEVICE_IDENTIFIER LIKE ?";
             }
 
             if (StringUtils.isNotEmpty(username)) {
@@ -156,7 +156,7 @@ public class SQLServerCertificateDAOImpl extends AbstractCertificateDAOImpl {
                 }
 
                 if (StringUtils.isNotEmpty(deviceIdentifier)) {
-                    stmt.setString(paramIdx++, deviceIdentifier);
+                    stmt.setString(paramIdx++, "%" + deviceIdentifier + "%");
                 }
 
                 if (StringUtils.isNotEmpty(username)) {