Microsoft Expands Deployment of Microsoft 365 Fault Patch, Improving Stability of Some Servers

According to TechFlow, on November 13, Microsoft stated that, according to Cointelegraph, patches for the widespread Microsoft 365 outage have improved stability on some servers, and the company is expanding deployment but has not yet provided a timeline for service restoration.

The outage prevented some users from accessing Exchange Online mailboxes and affected Teams meeting scheduling and the sending of invitations. OpenAI reported errors with the Microsoft 365 connector for ChatGPT; Anthropic stated that most email, calendar, and search requests for the connector linked to Claude failed.

Microsoft said that the process handling secure connections became overloaded, causing affected servers to stop processing requests; there are currently no signs indicating a security breach.