Office 365 - Log in issue 11.10.17

[Mark182]

For a very unknown reason when users are logging in today they are getting this error

 

Did you change your password recently?

It looks like you entered your old password. Please try again with your new password.

CorrelationId: ddf12b34-7a66-41a8-877a-745f8ea7add8

 

Timestamp: 2017-10-11 08:48:14Z

 

I've checked the office 365 portal and everything has green ticks....Anyone else having this today?

[Mark182]

I know what our issue is ha. Will use this to sort it.