SAN RAMON, CA — The city of San Ramon's ability to send and receive emails is impacted by the global Microsoft outage, the city said on Facebook at 2:24 p.m. Thursday.
As of 2:45 p.m., 16,417 users reported issues with Microsoft 365, according to downdetector.com. This is down from a peak of 47,106 at 10:13 a.m. Thursday.
Anyone with a general service request for the city can submit it here. Time-sensitive requests can be submitted to 925-973-2500.
Patch reached out to other Tri-Valley municipalities, but has not heard back. No other Tri-Valley has posted about the outage online.
The Associated Press reported that users encountered problems accessing inboxes, sending and receiving emails and connecting to other Microsoft applications.
Microsoft acknowledged widespread connectivity problems involving Exchange Online, the cloud-based infrastructure supporting Outlook email services.
The company said servers had unexpectedly become unavailable after failing automated health checks, placing additional strain on remaining infrastructure. Engineers were restarting affected servers, redistributing traffic and testing changes intended to restore service.
The underlying cause remained under investigation, with no definitive timetable announced for full restoration.
— Patch editor Scott Snowden contributed to this report.
Sign up for free local newsletters and alerts for the
San Ramon Patch
Patch.com is the nationwide leader in hyperlocal news.
Visit Patch.com to find your town today.