Monitoring - Microsoft has disabled Basic (Non-OAuth) authentication for Exchange Online mailboxes using Free or Family licenses - also known as Personal Accounts. These include free email addresses using the domains outlook.com, hotmail.com, live.com, msn.com, and others.

Microsoft only allows these mailboxes to use Exchange Web Services and Exchange ActiveSync using Basic authentication, so these mailboxes are no longer able to utilize those services. Our API v2 uses both of those services to communicate with all Microsoft mailboxes.

Microsoft has provided no work-around for continuing to use those services, so these mailboxes can no longer use our API v2 and must start using our API v3. We use Microsoft Graph API for our API v3 and that is not affected.

This does NOT affect paid mailboxes using Microsoft's Business or School licenses. This also does NOT affect on-premise Exchange mailboxes. Only free mailboxes using Microsoft's Free or Family licenses are affected.

Oct 01, 2024 - 13:09 PDT

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Nylas Application Services Operational
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Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Past Incidents
Dec 8, 2024

No incidents reported today.

Dec 7, 2024

No incidents reported.

Dec 6, 2024

No incidents reported.

Dec 5, 2024

No incidents reported.

Dec 4, 2024

No incidents reported.

Dec 3, 2024

No incidents reported.

Dec 2, 2024

No incidents reported.

Dec 1, 2024

No incidents reported.

Nov 30, 2024

No incidents reported.

Nov 29, 2024

No incidents reported.

Nov 28, 2024

No incidents reported.

Nov 27, 2024

No incidents reported.

Nov 26, 2024
Resolved - Microsoft has confirmed final resolution (see below) so we are marking this incident as resolved as well.

"After a period of extended monitoring, we’ve confirmed through customer reports and service health telemetry that the issue is resolved."

Nov 26, 12:19 PST
Update - Microsoft has posted the update below, and we also see error rates returned to normal levels. We will continue to monitor both our systems and Microsoft's status pages until they mark it as fully resolved.

"From monitoring service telemetry, most users should now experience relief. We’ve completed our optimizations and we're continuing our period of extended monitoring to ensure the availability remains stable."

Nov 26, 06:02 PST
Update - Below is the latest update from Microsoft:

"The service is continuing to incrementally recover. We're forecasting that impact will be fully remediated by Tuesday, November 26, 2024, at 3:00 AM UTC, though we're closely monitoring our progress and will provide an updated timeline should the estimate change."

Nov 25, 18:09 PST
Update - Microsoft is reporting a partial recovery. Their most recent update is below:

"We’ve completed additional actions and are seeing some recovery. We’re continuing to monitor the service while we complete other workstreams intended to fully resolve the issue. Details can be found in the admin center under MO941162."

Nov 25, 13:34 PST
Update - Microsoft is still working on resolving this incident on their end. Their most recent update is below:

"We’re facing delays in our recovery efforts and are taking immediate action to address them. We understand the significant impact of this event to your businesses and are working to provide relief as soon as possible. More details can be found in the admin center under MO941162."

Nov 25, 12:48 PST
Monitoring - Microsoft has confirmed a severe degradation of their Outlook and Team services starting around 2:00 AM Pacific Time. This is impacting Nylas services calling their APIs for Email and Calendaring, resulting in an elevated number of 504 Gateway Timeout errors in our API responses, as well as elevated latencies. We are monitoring their progress closely and will post updates here as we receive them.

https://x.com/MSFT365Status/status/1860973220662280356?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet

https://downdetector.com/status/microsoft-365/

We apologize for the inconvenience and appreciate your patience. If you have any questions or concerns, please contact our support team (support@nylas.com).

Nov 25, 03:00 PST
Nov 25, 2024
Nov 24, 2024

No incidents reported.