On November 9, 2021, at ~10:11 am UTC, Microsoft communicated via tweet (@MSFT365status) that they were investigating an issue in which some users may not be able to access some Microsoft 365 services when using Single Sign On (SSO) apps.
If you are an IT pro with Microsoft admin center access, the service incident number was MO297147.
On November 2, 2021, at ~11:44 am UTC, Microsoft communicated via tweet (@MSFT365status) that they were investigating an issue involving users not being able to access files within Microsoft 365.
If you had access to the Microsoft admin center, the issue reference # was MO295728.
On October 19, 2021, at ~5:40 am UTC, Microsoft communicated via tweet (@MSFT365status) that they were investigating an issue impacting users in the European geo not being unable to join or create meetings.
If you had access to the Microsoft admin center, the issue reference # was TM292507.
On October 7, 2021, at ~9:25 am UTC, Microsoft communicated via tweet (@MSFT365status) that they were investigating an issue in which some users were unable to make or receive PSTN calls.
Microsoft also indicated in this first notification that Europe was the only known impacted geo. The incident number for IT pros with admin center access was TM289868. The last outage/service interruption that Microsoft communicated was just 3 days ago (October 4th).
On October 4, 2021, at ~7:28 pm UTC, Microsoft communicated via Tweet (@MSFT365status) that they were investigating an issue affecting user access for Outlook.
Initially, Microsoft communicated just a single incident number, EX289214. The last outage that Microsoft communicated was approximately a week ago (MFA issue, September 28th).
The incident number was MO287933.
Microsoft’s Office 365 has had a rough year when it comes to service outages. While every outage is different, one thing remains constant – disruption to your organization.
On August 26, 2021, at ~8:01 am UTC, Microsoft posted a notification (@MSFT365status) which indicated that they were investigating an issue in which user storage limits for OneDrive for Business were lower than expected.
The incident number was OD280960.
On July 30, 2021, at ~6:41 pm UTC, Microsoft announced that they were investigating an issue in which users potentially could be unable to connect to Power Apps.
The service incident number was MO274372. This announcement from Microsoft came just one day after a Microsoft 365 service disruption for users in Germany.
On July 29, 2021, at ~3:35 am UTC, Microsoft announced that they were looking into an issue in which users in Germany potentially could have access issues or degraded experiences for Microsoft 365 services.
The service incident number was MO273940.