MFA & Verification Issues

Fix Microsoft 365 Password Change Prompt When Adding a Device

Tauseeq Magsi Oct 10, 2026 868 views

Question details

The user is prompted to change their password when adding a new device to Microsoft 365, despite successfully completing the Microsoft Authenticator sign-in.

Why Microsoft 365 Requires a Password Change When Adding a Device

Product: Microsoft 365
Device & OS: not provided
Scenario: Adding a new device and signing into a Microsoft 365 account
Observed behavior: A password change is unexpectedly required to proceed with adding the device.

Before you start

Verify that you are on the official Microsoft sign-in page to ensure the password change request is not a phishing attempt.

Solution 1Recommended

Verify the Type of Password Requested

Determine whether the system is asking for your primary account password or an app password for legacy applications.

Adding a new device typically does not require changing your primary password. Sometimes, older applications require a special app password instead of your main credentials.

Check the prompt details

Carefully read the sign-in prompt to see if it specifically mentions an 'app password'.

Verify the URL

Ensure the web address in your browser matches the official Microsoft login domain before entering any credentials.

Cancel suspicious prompts

If the prompt does not appear legitimate, cancel the sign-in process and do not enter your current password.

Solution 2

Contact Your Microsoft 365 IT Administrator

Your organization's administrator can review the specific authentication policies causing the prompt.

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Frequently Asked Questions

What is a Microsoft 365 app password?

An app password is a randomly generated, 16-character code that allows older applications and devices that do not support modern Multi-Factor Authentication to access your Microsoft 365 account.

Why did my Microsoft 365 password expire?

Organizations often implement password expiration policies requiring users to update their credentials every 30, 60, or 90 days for enhanced security compliance.

Can I bypass the password change prompt on a new device?

If the prompt is triggered by your organization's Conditional Access policies or a legitimate password expiration, it cannot be bypassed. You must either comply with the prompt or have your IT administrator adjust the policy.

Login & Account Issues