[AusNOG] microsoft online service Telstra DNS issues.

Saxton, Joseph (SYD-FED) Joseph.Saxton at interpublic.com
Wed Jan 30 09:24:42 EST 2019


Service degradation

User impact:

Affected users are unable to authenticate to and access Microsoft 365

Latest message:

Title: Unable to access Microsoft 365 services User Impact: Affected
users are unable to authenticate to and access Microsoft 365 services.
Current status: We've received reports of an issue affecting access to
Microsoft 365 services. We've identified a degraded portion of
infrastructure that manages authentication requests and have restarted
that infrastructure to mitigate impact. Scope of impact: This issue may
potentially affect any of your users attempting to access Microsoft 365
services. Start time: Tuesday, January 29, 2019, at 9:15 PM UTC
Preliminary root cause: A portion of infrastructure that manages
authentication requests is degraded, affecting access to one or more
Microsoft 365 services. Next update by: Tuesday, January 29, 2019, at
10:30 PM UTC

From: AusNOG <ausnog-bounces at lists.ausnog.net> on behalf of Scott Howard <scott at doc.net.au>
Date: Wednesday, 30 January 2019 at 9:21 am
To: simon thomason <sapage at sapage.net>
Cc: "AusNOG at lists.ausnog.net" <ausnog at lists.ausnog.net>
Subject: [EXTERNAL] Re: [AusNOG] microsoft online service Telstra DNS issues.

Yes, global issue affecting multiple services, including DNS resolution of services.



On Tue, Jan 29, 2019 at 2:18 PM simon thomason <sapage at sapage.net<mailto:sapage at sapage.net>> wrote:
Is anyone else having issues with getting to MS online service using Telstra DNS?

We have had issues this morning with resolving DNS using Telstra DNS for only MS service but have pointed our upsteam DNS to alternative providers which have fixed the problem.

I have been told MS are having a major outage but just interested to see why it is only on Telstra for us.
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