“Audit all certificate renewal processes and expiration dates across your customer base and internal systems — flag anything manually renewed or without automated monitoring within the next 4 hours.”
Major M365 Outage: Auth Misconfiguration Hits Outlook, Teams, SharePoint & Copilot (EX1464935)
A core authentication configuration failure triggered a widespread Microsoft 365 outage beginning 31 August 2026, impacting Exchange Online, Outlook, Teams, SharePoint, Copilot, Purview, Defender XDR, and Universal Print. Microsoft traced the root cause to an expired certificate / auth misconfiguration and applied a fix, with Exchange Online mail flow and search confirmed restored as of 1 September 2026 at 12:02 EDT. Admins should monitor tenant-specific recovery via the Service Health Dashboard under incident EX1464935; no workaround was available during the event beyond fallback to alternative email.
Read more →M365 Outage Root Cause Confirmed: Forgotten Certificate Renewal Broke Authentication
Analysis of incident EX1464935 points to Microsoft failing to renew an expired internal certificate, with error logs surfacing a CredSMART M365SecretException and BootResult: fail. The outage propagated across multiple M365 workloads because the expired certificate underpinned a shared authentication component used by many services. MSPs should review their own internal certificate renewal processes as a reminder that vendor-side certificate hygiene failures can cause cascading outages.
Read more →CRN Xchange Australia & Channel Awards Set for 16–17 September 2026 in Sydney
CRN Australia's inaugural Xchange Australia conference will be held on 16 September 2026 at the Intercontinental Sydney, followed by the first-ever CRN Australia Channel Awards on 17 September at the Hyatt Regency. The Xchange event targets MSPs, solution providers, system integrators, and resellers with keynotes and boardroom sessions focused on AI, cybersecurity, and channel growth. MSP of the Year award categories have been split by headcount size — finalists have already been announced.
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