Error: Domain's DNS name is missing in Active Directory Authentication

tinhnho — Fri, 21 Aug 2026 15:53:28 GMT

Hi guys, while working on setting up user-id, I got this 'Error: Domain's DNS name is missing in Active Directory Authentication' while trying to commit.

I found this instruction:

Using the Web GUI:
1. Navigate to Device ➔ User Identification ➔ User Mapping.
2. Click the Gear Icon next to Palo Alto Networks User-ID Agent Setup.
3. Click on the Server Monitor Account tab.
4. Locate the Domain's DNS Name field.
5. Enter your Active Directory FQDN (for example: ://yourdomain.com).
6. Click OK and Commit your changes

At #5, what is the Active Directory FQDN that I should put in the Domain's DNS Name field? Thanks.

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Error: Domain's DNS name is missing in Active Directory Authentication