# Monitoring TCP Services on a Device

With OpManager, you have the capability to monitor the TCP services running on any device within your network. This feature allows you to keep a close eye on the availability and performance of TCP services. To select the services to be monitored in a device, follow the steps given below:

### To add a service to a device,

1. Go to **Inventory** > Click on the Device for which you wish to add a service.
2. Click **Monitors** > **Service Monitors** > **Add Monitor** at the top of the page.
3. Select the services to be discovered from the list and click **Add Monitor**.

![Monitoring TCP services on a device: To add a service to a device](https://www.manageengine.com/network-monitoring/help/images/tcp-1.PNG)

4. If you wish to associate the monitor to existing devices, click on **Save & Associate**. This option will prompt you to select the required devices to which the monitor must be associated.  
   Select the required devices and click on Save.
5. If you wish to only add the monitor (and not associate it to any of the existing devices), click on **Save**.

### To associate a service to a device,

Follow the below steps:

1. Go to **Inventory** > Click on the Device for which you wish to associate a service monitor.

![Monitoring TCP services on a device: To associate a service to a device](https://www.manageengine.com/network-monitoring/help/images/tcp-4.PNG)

2. Click **Monitors** > **Service Monitors** > **Associate Monitor** at the top of the page.
3. Select the services to be discovered from the list and click **Associate**.

To gain in-depth insights into OpManager's TCP service monitoring, explore the following help documents.

- [Monitoring TCP services](https://www.manageengine.com/network-monitoring/help/monitor-tcp-service.html)
- [Adding and associating a TCP service](https://www.manageengine.com/network-monitoring/help/add-new-tcpservice.html)