KEH-TECH

AADSTS50055

What an error code means and how to fix it: Exchange, Entra sign-in, Windows Update, printing and more.

How to use it Paste an error code or part of the message into the box, such as 0x80070002 or 5.7.1, and pick a result to see what it means and how to fix it.

Microsoft Entra ID Sign-in

AADSTS50055: the password has expired

Likely causes

  • The password reached the organization's expiry age.
  • The user ignored earlier expiry warnings.

How to fix it

  1. Sign in through a browser at https://myaccount.microsoft.com or another Microsoft 365 page. The user is usually offered a password change right there.
  2. If they can’t change it, use self-service password reset, or ask an admin to reset it.
  3. Update the new password on phones and mail apps so they don’t cause a lockout.
  4. Hybrid: if the error is AADSTS50144 instead, the on-premises Active Directory password expired. Change it on a domain-joined PC or through your password reset tool.

Checked against: learn.microsoft.com, learn.microsoft.com

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