15Five Azure AD AADSTS Login Errors

Share
Workaround available Web Updated November 13, 2026Based on 2 user reportsHow we research

Quick answer

AADSTS50105, AADSTS750054 and AADSTS650056 on 15Five are Azure AD configuration errors: an unassigned user, a wrong sign-on URL or a wrong Entity ID.

Most likely fix: AADSTS50105: assign the user

How to fix it

Try these in order — the most common fix is first.

  1. 1. AADSTS50105: assign the user

    1. Azure portal > Enterprise Applications > 15Five > Users and Groups
    2. Assign the user or their group
    3. Retry sign-in
    Did this fix it?
  2. 2. AADSTS750054: correct Sign-on URL

    1. Open the 15Five app > Single sign-on
    2. Set Sign-on URL to https://<your-subdomain>.15five.com
    3. Save
    Did this fix it?
  3. 3. AADSTS650056: correct Entity ID

    1. In Single sign-on settings set Identifier (Entity ID) to https://<your-subdomain>.15five.com/saml2/metadata/
    2. Save
    Did this fix it?
  4. 4. ADFS: claim rules and NameID

    1. Edit Claim Rules for the 15Five Relying Party Trust
    2. Ensure rules send email, given name and surname
    3. Add a Transform rule mapping email to NameID with transient format
    4. Save
    Did this fix it?

Symptoms

Signing in with Microsoft Entra / Azure AD shows an AADSTS error code instead of opening 15Five.

Why it happens

  • User or group not assigned to the app (AADSTS50105)
  • Incorrect Sign-on URL (AADSTS750054)
  • Entity ID does not match the 15Five metadata URL (AADSTS650056)
  • ADFS claim rules or NameID transform missing

This guide also covers

  • aadsts50105 15five
  • aadsts750054 15five
  • aadsts650056 15five
  • 15five azure ad sso error

Still not working?

If 15Five keeps failing, you're not alone. See every 15Five problem users report or the alternatives people switch to.

Done fighting 15Five? Our small team builds your own 15Five alternative, or any software you need: web, mobile, games, desktop. Price agreed together.

Talk to us
Fixed it? Share this guide

The same problem in other apps

All login, account & activation guides →

Other 15Five errors