Maintenance

Upgrade macOS 14 to macOS 26 (Tahoe) on Mason-managed Macs

02/16/2026 9:00 a.m. to 02/20/2026 5:00 p.m.

EXTENDED MAINTENANCE Impact of the change on users: There will be intermittent outages while Mason-managed Macs with macOS 14 upgrade to macOS 26 (Tahoe). Reason […]

If you have any questions or concerns, please contact ITS Support at 703-993-8870.