OWA | https://mail.premium.exchange/owa/ | Not Accessible.

05 Aug 2026 – 11:30 AM AWST

Status: Fixed (Under Close Monitoring)

Access to Outlook Web Access (OWA) webmail has been restored, and the service is now operating normally. Users should be able to access the OWA webmail portal without further interruption. While the issue has been resolved, our engineering team will continue to closely monitor the environment to ensure service stability and verify that the issue does not reoccur.

Preliminary Root Cause Analysis (RCA): Initial findings indicate that the outage was caused by a memory leak on DC01-SYD, which impacted the availability of the OWA webmail service. A detailed investigation is ongoing to determine the underlying cause of the memory leak and identify any additional corrective or preventative measures. We apologize for the inconvenience and appreciate your patience throughout this incident.

We are aware of an issue affecting Outlook Web Access (OWA) webmail. Customers are currently unable to access the OWA webmail portal and may be unable to sign in or access their mailbox via the web interface. Our team has identified the issue and is actively investigating the cause.

Our engineers are working to restore access as quickly as possible. We understand the impact this may have and appreciate your patience while we investigate. Further updates will be provided as more information becomes available.