That worked, thank you Mr. Lam.
Original Message:
Sent: Jun 11, 2024 02:13 PM
From: William Lam
Subject: vCenter Audit Login Failure Event
I was able to get access to an env that had AD setup and both login success AND failures are indeed captured. See the screenshot below where a non-vSphere SSO domain was used (sfo.rainpole.io)

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William Lam
https://williamlam.com/
Original Message:
Sent: Jun 11, 2024 11:09 AM
From: nsousaarlington
Subject: vCenter Audit Login Failure Event
Hi William, thanks for the response. Can you put in a feature request to have external identity login failures included as an event? What prompted this discussion was reading through the Protecting vSphere From Specialized Malware article, which has this section:

For anyone else looking for matching strings, this is what I used for login success and login failure for administrator@vsphere.local:
VdirPasswordFailEvent from user(cn=administrator,cn=users,dc=vsphere,dc=local)
User VSPHERE.LOCAL\Administrator@* logged in
Original Message:
Sent: Jun 11, 2024 10:05 AM
From: William Lam
Subject: vCenter Audit Login Failure Event
SSO-based login failures do emit events, see https://williamlam.com/2019/04/enhanced-vcenter-server-audit-event-logging-in-vsphere-6-7-update-2.html but if you're using external identity ... I don't believe an event is generated (easy enough to test/confirm as it'll show up in the vSphere UI under Events) as that might be managed through identity provider itself
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William Lam
https://williamlam.com/
Original Message:
Sent: Jun 11, 2024 09:53 AM
From: nsousaarlington
Subject: vCenter Audit Login Failure Event

Login successes are captured as events in the vCenter log, but what about login failures? I cannot see them in the logs. I am trying to setup an Aria Operations for Logs event when there are failed logins.