diff --git a/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java b/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
index 583139f05c..cfb51b4627 100644
--- a/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
+++ b/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
@@ -18,9 +18,7 @@ package org.thingsboard.server.service.device;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang.RandomStringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -114,6 +112,13 @@ public class DeviceProvisionServiceImpl implements DeviceProvisionService {
     public ProvisionResponse provisionDevice(ProvisionRequest provisionRequest) {
         String provisionRequestKey = provisionRequest.getCredentials().getProvisionDeviceKey();
         String provisionRequestSecret = provisionRequest.getCredentials().getProvisionDeviceSecret();
+        if (provisionRequest.getDeviceName() != null) {
+            provisionRequest.setDeviceName(provisionRequest.getDeviceName().trim());
+            if (StringUtils.isEmpty(provisionRequest.getDeviceName())) {
+                log.warn("Provision request contains empty device name!");
+                throw new ProvisionFailedException(ProvisionResponseStatus.FAILURE.name());
+            }
+        }
 
         if (StringUtils.isEmpty(provisionRequestKey) || StringUtils.isEmpty(provisionRequestSecret)) {
             throw new ProvisionFailedException(ProvisionResponseStatus.NOT_FOUND.name());
diff --git a/common/dao-api/src/main/java/org/thingsboard/server/dao/device/DeviceProvisionService.java b/common/dao-api/src/main/java/org/thingsboard/server/dao/device/DeviceProvisionService.java
index 5d038b2d31..660f1a5f35 100644
--- a/common/dao-api/src/main/java/org/thingsboard/server/dao/device/DeviceProvisionService.java
+++ b/common/dao-api/src/main/java/org/thingsboard/server/dao/device/DeviceProvisionService.java
@@ -15,9 +15,6 @@
  */
 package org.thingsboard.server.dao.device;
 
-import com.google.common.util.concurrent.ListenableFuture;
-import org.thingsboard.server.common.data.Device;
-import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.dao.device.provision.ProvisionFailedException;
 import org.thingsboard.server.dao.device.provision.ProvisionRequest;
 import org.thingsboard.server.dao.device.provision.ProvisionResponse;
diff --git a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportHandler.java b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportHandler.java
index cabc61cab6..0df14d4655 100644
--- a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportHandler.java
+++ b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportHandler.java
@@ -179,6 +179,7 @@ public class MqttTransportHandler extends ChannelInboundHandlerAdapter implement
                             }
                         }
                     } else {
+                        ctx.close();
                         throw new RuntimeException("Unsupported topic for provisioning requests!");
                     }
                 } catch (RuntimeException | AdaptorException e) {
diff --git a/ui-ngx/src/app/shared/models/audit-log.models.ts b/ui-ngx/src/app/shared/models/audit-log.models.ts
index 1b450d5568..46efd740a3 100644
--- a/ui-ngx/src/app/shared/models/audit-log.models.ts
+++ b/ui-ngx/src/app/shared/models/audit-log.models.ts
@@ -51,7 +51,9 @@ export enum ActionType {
   LOGOUT = 'LOGOUT',
   LOCKOUT = 'LOCKOUT',
   ASSIGNED_FROM_TENANT = 'ASSIGNED_FROM_TENANT',
-  ASSIGNED_TO_TENANT = 'ASSIGNED_TO_TENANT'
+  ASSIGNED_TO_TENANT = 'ASSIGNED_TO_TENANT',
+  PROVISION_SUCCESS = 'PROVISION_SUCCESS',
+  PROVISION_FAILURE = 'PROVISION_FAILURE'
 }
 
 export enum ActionStatus {
@@ -83,7 +85,9 @@ export const actionTypeTranslations = new Map<ActionType, string>(
     [ActionType.LOGOUT, 'audit-log.type-logout'],
     [ActionType.LOCKOUT, 'audit-log.type-lockout'],
     [ActionType.ASSIGNED_FROM_TENANT, 'audit-log.type-assigned-from-tenant'],
-    [ActionType.ASSIGNED_TO_TENANT, 'audit-log.type-assigned-to-tenant']
+    [ActionType.ASSIGNED_TO_TENANT, 'audit-log.type-assigned-to-tenant'],
+    [ActionType.PROVISION_SUCCESS, 'audit-log.type-provision-success'],
+    [ActionType.PROVISION_FAILURE, 'audit-log.type-provision-failure']
   ]
 );
 
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index 89950a11e0..5ee61fa277 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -472,7 +472,9 @@
         "search": "Search audit logs",
         "clear-search": "Clear search",
         "type-assigned-from-tenant": "Assigned from Tenant",
-        "type-assigned-to-tenant": "Assigned to Tenant"
+        "type-assigned-to-tenant": "Assigned to Tenant",
+        "type-provision-success": "Device provisioned",
+        "type-provision-failure": "Device provisioning was failed"
     },
     "confirm-on-exit": {
         "message": "You have unsaved changes. Are you sure you want to leave this page?",