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# View and manage YubiKey Device ID mapping

Unisphere for PowerMax supports MFA YubiKey. YubiKey is a hardware device that provides authentication/One Time Password (OTP) for multi-factor authentication. YubiKey is a small USB security key that protects access to configured devices.

## Prerequisites

You must be a Security Admin or Admin to perform this task.

You must have a YubiKey fob.

You have created a local user that plans to use YubiKey.

## About this task

| NOTE: YubiKey MFA and RSA MFA are mutually exclusive.

## Steps

1. Select .
2. Select Security > YubiKey Device ID Mapping.

   The following properties display:

   - Username—Username
   - YubiKey Device ID—YubiKey device identifier

   The following controls are available:

   - Attach Device ID—allows you to add a username and attach one or more device IDs. The device ID can be typed in, copied and pasted from the YubiKey fob, or entered by clicking the fob.
   - Modify Device ID—allows you to modify the attached device IDs.
   - Remove Device ID—allows you to remove device IDs.

## Next steps

Create Yubico API Key and enable YubiKey (see Configure authentication authorities).

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