# Configure Auth to avoid users entering username twice

**URL:** <https://community.palantir.com/t/configure-auth-to-avoid-users-entering-username-twice/4686>\
**Category:** Ask the Community\
**Tags:** authentication\
**Created:** [August 4, 2025, 1:09pm UTC](https://community.palantir.com/t/configure-auth-to-avoid-users-entering-username-twice/4686 "2025-08-04T13:09:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![asikiaridis](https://avatars.discourse-cdn.com/v4/letter/a/c5a1d2/32.png) [@asikiaridis](https://community.palantir.com/u/asikiaridis)\
**Post date:** [August 4, 2025, 1:09pm UTC](https://community.palantir.com/t/configure-auth-to-avoid-users-entering-username-twice/4686/1 "2025-08-04T13:09:19Z")

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Hi,

When users log in to my Foundry instance, they are prompted to enter their e-mail address. That will then redirect them to one of two configured IdP’s, based on their email address - and in the vast majority of cases that will be Entra.  
Once there, they are prompted to enter their e-mail address again.

Is it possible to configure things such that we either:

1. pass the email entered on the Foundry login form to Entra so it’s prefilled?, or
2. have the Foundry login form not request an email field, but instead show a dropdown to select the IdP, and a button that takes the user there for them to enter their e-mail address?

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**Author:** ![system](https://yyz1.discourse-cdn.com/palantir/user_avatar/community.palantir.com/system/32/3_2.png) [@system](https://community.palantir.com/u/system)\
**Post date:** [July 30, 2026, 1:09pm UTC](https://community.palantir.com/t/configure-auth-to-avoid-users-entering-username-twice/4686/2 "2026-07-30T13:09:59Z")

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