Microsoft blames configuration change for Exchange Admin Center outage

On October 12 Microsoft took down the Exchange Admin Center after a code change left admins facing an "Internal Server Error" and unexpected 302 redirects. The company said reverting the configuration change restored service.

• Outage began at 09:37 UTC on October 12 and affected all EAC admins
• Microsoft identified unexpected 302 redirect errors and analyzed diagnostic logs
• Rolling back the configuration change restored expected service functionality
• A preliminary post-incident report is due within two business days