Service Disruption: Exchange Online

Incident Report for CU Anschutz ISS and CU Denver OIT

Investigating

Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.

What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products.

What is the issue:
Microsoft posted concerning this ongoing issue. Details are sparse, and the investigation is ongoing.

Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online.

Workarounds (if any):
There are no workarounds available at this time.

Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.

Incident: 3086456

Posted Aug 31, 2026 - 10:31 MDT

This incident affects: Other Systems and Services.