Microsoft O365 Access Disruption

Microsoft O365 services may be temporarily unavailable due to a service disruption.

This news post has 1 update

Why

A portion of network infrastructure that facilitates authentication requests is degraded, affecting access to one or more Microsoft 365 services.

Impact

This issue may affect anyone attempting to access Microsoft 365 services. Affected users are unable to authenticate to and access Microsoft 365 services

Details

Anyone that has their authorization cached should be unaffected by this issue. New authentications are successful approximately 50 percent of the time.


Timeline & Updates

End: 30 January 2019, 3:00 PM

O365 Available

Microsoft has resolved the issue

Posted: 29 January 2019, 6:05 PM

Start: 29 January 2019, 4:15 PM

Status

Resolved


Timing

From

Tuesday

29 January 2019

4:15 PM

To

Wednesday

30 January 2019

3:00 PM

Posted

29 January 2019, 6:05 PM