15Five Azure AD AADSTS Login Errors
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. AADSTS50105: assign the user
- Azure portal > Enterprise Applications > 15Five > Users and Groups
- Assign the user or their group
- Retry sign-in
Did this fix it?2. AADSTS750054: correct Sign-on URL
- Open the 15Five app > Single sign-on
- Set Sign-on URL to https://<your-subdomain>.15five.com
- Save
Did this fix it?3. AADSTS650056: correct Entity ID
- In Single sign-on settings set Identifier (Entity ID) to https://<your-subdomain>.15five.com/saml2/metadata/
- Save
Did this fix it?4. ADFS: claim rules and NameID
- Edit Claim Rules for the 15Five Relying Party Trust
- Ensure rules send email, given name and surname
- Add a Transform rule mapping email to NameID with transient format
- 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
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