# How to import devices from a CSV or text file?

Devices can be imported from a CSV file and discovered in OpManager. To perform this:

## For OpManager versions 125174 and above:

1. Go to **Settings** -> **Network Discovery** -> **New Discovery.**
2. Select the **CSV File Import** option.
3. Browse and select the CSV file (refer below image).

![Import devices from a CSV or text file in OpManager: Browse and select CSV file](https://www.manageengine.com/network-monitoring/help/images/discovering-networks-2.jpg)

4. Provide the correct netmask and select the required [Credentials](https://www.manageengine.com/network-monitoring/help/add-credentials.html).
5. Click on **Discover** and OpManager will direct you to the **'Discovered Devices'** page.
6. **Approve** or **Ignore** the discovered devices by clicking on the respective options. The approved devices will be added to the OpManager inventory and monitored. The ignored devices will be removed from the queue of discovered devices and restricted from future addition.

![Import devices from a CSV or text file in OpManager: Network discovery option under discovery tab for versions 125174 and above](https://www.manageengine.com/network-monitoring/how-to/images/csv-new.PNG)

## For OpManager versions below 125174:

1. Go to **Settings** -> **Discovery** -> **Discovery Profile.**
2. Select the **CSV File Import** option.
3. Browse and select the CSV file (refer below image) to import the devices into OpManager.
4. Provide the correct netmask and select required [Credentials](https://www.manageengine.com/network-monitoring/help/add-credentials.html) for configuration.
5. Navigate to the end and click on **Save and Execute**.

![Import devices from a CSV or text file in OpManager: Discovery - Input under Discovery tab for versions below 125174](https://www.manageengine.com/network-monitoring/how-to/images/csv.png)

## Note:

1. If you are using DHCP protocol on your network, make sure both the forward and reverse lookup gets resolved before you add the devices in OpManager.
2. DeviceName/IP header is a must for CSV file and other header fields are optional.

## Frequently asked questions:

1. [How to discover devices and interfaces in OpManager?](https://www.manageengine.com/network-monitoring/help/discover-networks.html)
2. [How to add a new credential?](https://www.manageengine.com/network-monitoring/help/add-credentials.html)
3. [Can I add a non-admin user account for WMI?](https://www.manageengine.com/network-monitoring/kb/adding-non-admin-user-for-wmi.html)
4. [Can I add devices using SSH?](https://www.manageengine.com/network-monitoring/help/adding-devices-using-ssh.html)
5. [Why are devices discovered as 'Unknown'?](https://www.manageengine.com/network-monitoring/faq/devices-discovered-as-unknown-devices-opmanager.html)
6. [What are devices supported in OpManager?](https://www.manageengine.com/network-monitoring/faq/all-devices-supported.html)
7. [Why are interfaces not discovered for my device?](https://www.manageengine.com/network-monitoring/faq/interfaces-not-discovered.html)
8. [How can I associate device templates to a newly discovered device?](https://www.manageengine.com/network-monitoring/help/associate-device-template.html)
9. [How to associate monitors to the discovered device?](https://www.manageengine.com/network-monitoring/help/adding-custom-monitors.html)
10. [What is a discovery filter?](https://www.manageengine.com/network-monitoring/help/discovery-filter.html)
11. [How do I configure a new discovery rule?](https://www.manageengine.com/network-monitoring/help/configuring-discovery-rule-engine.html)
12. [How to manage or unmanage a device?](https://www.manageengine.com/network-monitoring/help/managing-and-unmanaging-a-device.html)
13. [How to configure device dependencies?](https://www.manageengine.com/network-monitoring/help/configuring-device-dependencies.html)
14. [How can find the missing VMs and hosts?](https://www.manageengine.com/network-monitoring/faq/find-missing-vms-and-hosts-opmanager.html)
15. [How can I discover a VLAN?](https://www.manageengine.com/network-monitoring/faq/vlan-discovery-in-opmanager.html)
16. [How does availability monitoring work in OpManager?](https://www.manageengine.com/network-monitoring/availability-monitoring.html)
17. [What are the basic system requirements to install and use OpManager?](https://www.manageengine.com/network-monitoring/help/hardware-and-software-requirements.html)
18. [How can I troubleshoot issues with device discovery?](https://www.manageengine.com/network-monitoring/help/add-device-failure-messages.html)
19. [How can I troubleshoot issues with VCenter/ESX discovery?](https://www.manageengine.com/network-monitoring/faq/troubleshooting-problems-in-vcenter-discovery.html)