Windows 10: MFA(2FA) randomly prompting users?

Hello,


We have MFA enabled for users and some of them are reporting receiving prompts to allow a windows login attempt(Maybe they're being hacked!) but when checking in the admin center, the prompt was caused each time by an entity known as "Universal Store Native Client" which is an Application from the Resource: "Windows Store for Business"(Oh thank goodness its just a false negative. But now we're plagued with these false negatives!).


My question is; How would I go about fixing this issue?


I haven't found it so far within the Settings>Apps>Apps & Features area. I see Windows Store, but no Windows Store for Business. And even within the regular Windows Store settings I see nothing which seems out of place or like it would cause an MFA prompt spontaneously during the day. The kicker is, nothing pops up on the PC, just the notification on the phone. So if the fix is something like "just hit allow", we're taking a big leap of faith then since there's no visible evidence that when we get prompted in order to confirm that we're allowing the Windows Store and not some hacker with good timing. That's a big risk.


So if there's any other, safer, more secure way to fix this issue, please help! Any ideas or suggestions are more than welcome too!

:)

 

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On Premises MFA Server - Powershell commands

Hi Jay,

Multi-Factor Authentication (MFA) is a two-step verification method of authentication which requires more than one verification method and add additional security layer for users. Your concern of activating it through a user portal is complicated that what
is typically answered here in Microsoft Answers Forum and is best suited for our IT Professionals audience in TechNet Forum. Refer to this
link to post your query on TechNet Windows 10 IT Pro Forum.

Let us know if you need anything else. We're here to help.