Are Microsoft portals and SSO services down or unusually slow?

September 12, 2026 4 answers
Asked by MellowKite42
Is anyone else seeing severe slowness or failed page loads across Microsoft portals in the East US region? The admin portal and services hosted in South Central US are also unreachable for some users, and anything relying on MCAS or Microsoft SSO appears to be affected. I'm trying to determine whether this is a widespread outage or an issue limited to a few environments.

Answers

BreezyMaple63
Anything routed through MCAS is unavailable for us, and SSO logins are failing as well. Services that depend on Microsoft authentication may continue to have trouble until the underlying incident is resolved.
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QuietOrbit29
This is affecting students and other users tooโ€”Microsoft-hosted portals, course materials, and related services arenโ€™t loading reliably. If you have deadlines coming up, it may be worth documenting the outage and checking for an alternate access method.
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CopperLynx7
Weโ€™re seeing the same thing. The admin portal is currently inaccessible for us, so this appears to be more than an isolated local issue.
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NovaHarbor18
Our ERP in South Central US wonโ€™t load either, and users on the East Coast are reporting similar problems. It looks like a broader Microsoft service disruption.
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