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Knowledge Base / Microsoft 365 / Account Locked or Sign-In Blocked
Microsoft 365

Account Locked or Sign-In Blocked

Use this guide when Microsoft 365 says your account is locked, blocked, or needs administrator review.

Common signs
You may see repeated password prompts, sign-in blocks, or messages that your account needs to be unlocked.

Try these first

  • Confirm you are signing in with the correct work email address.
  • Try a private browser window.
  • Reset your password if you suspect the current one is incorrect.
  • Check whether MFA approval is reaching your device.

When to contact support

If the account remains blocked after a password reset attempt, the issue may require administrator review, Conditional Access review, or security validation.

Create Ticket Reset Password Guide