Bulletins
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Upcoming Microsoft 365 Changes for October 2026
SharePoint OTP Retirement: Changes to Guest Access To create a more secure file sharing process, Microsoft is changing SharePoint sharing permissions and deprecating legacy one-time passcodes. As a result, MS Teams owners, SharePoint site owners, or OneDrive account holders may receive reports of external members having lost access to their shared data. To resolve this,…
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New School Year, Same Old Phishing
The new school year brings an increase in phishing attempts by cybercriminals who know people are busy. As students, faculty, and staff are settling into the 2026 – 27 academic year, it’s an important time to remain on guard and to report any phishing attempts you may receive. Reporting phishing emails allows ITS to properly…
Unplanned Outages
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Certificate Trust Issue
New
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Issues with accessing, or using, multiple Microsoft 365 services
Updated
Microsoft is continuing to report improvements in service availability. Users may continue to see improved sign-in/access while email delivery and processing work to catch up.
Impacted services include, but may not be limited to, those listed below:
Exchange Online / Outlook: Unable to access email via web, desktop, or mobile; email delivery may be delayed.
Microsoft 365 Apps: Recently used files may not appear.
Copilot 365: Copilot Chat may not load or respond; may be unable to access email, calendar, or files.
Defender for Office 365: Link verification in Outlook and Teams may not work.
Microsoft Graph: Requests for email, calendar, and contact data may time out.
Microsoft Planner: Problems creating or updating plans and tasks.
Microsoft Teams: Calendar, meeting scheduling, and some chat features may fail; basic messaging and meetings still work.
Microsoft To Do: App may not load; actions may fail.
SharePoint Online: Some features unavailable; directly accessing files should still work.As of this time, continued improvement in service access and mail access/delivery is expected.
This is a service-wide Microsoft 365 issue.
ITS will continue to monitor the situation and will provide another update by 12 p.m., Monday, November 16.
ITS News
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Powering the Shift: Inside ITS’ Role with eCampus
As George Mason University transitions its course materials operation to eCampus, much of the work is happening behind the scenes in Information Technology Services (ITS). Conversations with project leaders show that what may appear to be a bookstore transition is also a larger technology effort to… Continue reading
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