
SatoS.21262 (Customer) asked a question.
Several users are not able to login to vault with the Okta authentication method. MFA was enabled recently, and users see a messsage that says "To finish signing in, you will need to complete an additional MFA step."
They never get a push notification or anything to their mobile devices where they are signed into Okta Verify, and after a minute or two it shows a 504 Gateway Time-out error.
Some iOs users have been able to resolve this by uninstalling Okta Verify and reinstalling it, but some android users have had no such luck.
Has anyone else seen this? Has anything worked for you to fix it?

Hi @SatoS.21262 (Customer) , Thank you for reaching out to the Okta Community!
As of now I have not seen similar reports of issues with MFA authentication for Vault.
If the authentication works for all other apps except for that, I would start by reviewing the Authentication Policies configured for it and confirming they indeed apply for the affected users.
You can check this by sampling the events in the Okta System Logs for specific users to find what explicit policy is being hit when they attempt it.
I also recommend having the users go through or working with the users to go through the most common troubleshooting steps for this kind of situation.
If you exhausted the troubleshooting steps and continue to experience issues, please open a case with the Okta Support team to work with them to get to the bottom of things.
If my answer helped, remember to mark it as best to increase its visibility for other members of the Okta Community who might have the same questions as you.
Hope my answer helps!
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