NOTICE TIME ZONE Brisbane GMT+10
STATUS (Open/Closed) Closed
INCIDENT START DATE 20210316
INCIDENT START TIME (HH:MM) Approx: 05:00
ESTIMATED TIME TO RESOLUTION 60 Minutes
INCIDENT END DATE 20210317
INCIDENT END TIME (HH:MM) 11:00
OUTAGE DURATION 30 Hours
INCIDENT CAUSED BY A 3RD PARTY? Yes – Microsoft Globally – All Regions
IF YES, NAME OF 3RD PARTY MICROSOFT
XCRM TICKET NUMBER N/A
BRAND X365
INTERNAL PRIORITY P1
CUSTOMERS AFFECTED ALL X365 CLIENTS GLOBALLY
SITES AFFECTED All Clients / All Sites
DESCRIPTION OF INCIDENT The core Azure Active Directory platform is down intermittently
PRIMARY IMPACT EFFECT Users may not be able to authenticate against Azure Ad.
SECONDARY IMPACT EFFECT As a result, Users may not have access to their Office 365 applications
EVENT TIMELINE
TUESDAY 16TH MARCH 2021
05:19 XSTRA staff (CF) detected the issues and confirmed it to be a real problem Microsoft admitting fault
06:15 After no resolution XSTRA decides to post this Service Disruption Notice (SDN)
06:58 With no further improvement. There is nothing XSTRA can do at this stage but wait for Microsoft to repair the fault to their core network
Independent website “Down Detector” confirms outage
07:34 Message from Microsoft : “Current status: We are currently rolling out a mitigation worldwide. Customers should begin seeing recovery at this time, and we anticipate full remediation within 60 minutes.” See link here: https://status.office365.com/
07:44 The main impact seems to be using Teams application – other Office 365 apps appear to be working normally.
07:53 https://status.azure.com/en-us/status
12:05
WEDNESDAY 17TH MARCH 2021
11:07 Reports are that the issue is basically resolved apart from some Intune and BI service issues
RECOVERY & RESOLUTION
?
ROOT CAUSE
Microsoft is saying a ‘rotation of keys’ that handle authentication was to blame for a roughly 14-hour Azure outage that took down Office 365, Dynamics 365, Xbox Live and other Microsoft services on March 15.
CORRECTIVE & PREVENTATIVE MEASURES
None
RESIDUAL EFFECT
None

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