User Identification : Device > User Identification > User Mapping : Palo Alto Networks User-ID Agent Setup : Ignore User List

Ignore User List
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Device > User Identification > User Mapping > Palo Alto Networks User-ID Agent Setup > Ignore User List
The ignore user list defines which user accounts don’t require IP address-to-username mapping (for example, kiosk accounts). To configure the list, click Add and enter a username. You can use an asterisk as a wildcard character to match multiple usernames but only as the last character in the entry. For example, corpdomain\it-admin* matches all administrators in the corpdomain domain whose usernames start with the string it‑admin. You can add up to 5,000 entries to exclude from user mapping.
Note:
Define the ignore user list on the firewall that is the User-ID agent, not the client. If you define the ignore user list on the client firewall, the users in the list are still mapped during redistribution.
Palo Alto Networks User-ID Agent Setup