"It looks like your account has been blocked" error when a user tries to sign in to Office 365

To resolve this issue, use the following methods in the order in which they're presented. After each method, test to see whether the issue is resolved. If the issue isn't resolved, go to the next method. 

For users

Method 1: Wait 15 minutes.

Note If this doesn't resolve the issue, contact your admin to perform the other methods in this article.

For admins

Method 2: Make sure that the user is allowed to sign in.

To do this, follow these steps:

1. Sign in to the Office 365 portal as an admin.
2. Locate the user, and then open the settings for that user.
3. Under Set sign-in status, click Allowed, and then click Save.

Method 3: Reset the user's password.

As an Office 365 admin, perform a password reset for the user.



Method 4: Reset the user's sign-in status.

Change the sign-in status of the user from Allowed to Blocked, and then change it back to Allowed. To do this, follow these steps:

1. Sign in to the Office 365 portal as an admin.
2. Locate the user, and then open the settings for that user.
3. Under Set sign-in status, click Blocked, and then click Save.
4. Under Set sign-in status, click Allowed, and then click Save.