Sherweb experienced a major incident on June 12, 2026 affecting Microsoft Exchange and Sherweb Hosted Services and 1 more component, lasting 12h 11m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 12, 2026, 08:11 PM UTC
We are currently investigating an issue impacting Microsoft Exchange. Impact Level: Investigating Current Progress: Our engineering team has been mobilized and is actively investigating the problem to determine the root cause and restore service. Next update: We will provide an update within 60 minutes.
- investigating Jun 12, 2026, 08:29 PM UTC
This is an update regarding the ongoing disruption to Hosted Microsoft Exchange Canada services. Impact Level: Performance Degraded A subset of our may currently be experiencing delays in email delivery, slow webmail (OWA) and ActiveSync performance, as well as possible intermittent connectivity issues. Current Progress: Our team is still investigating and working on identifying the cause of the issue. Next Update: We will continue to monitor the status of service incident and will provide our next update by 8:30pm EST.
- monitoring Jun 12, 2026, 09:13 PM UTC
This is an update regarding the ongoing disruption to Hosted Microsoft Exchange Canada services. Impact Level: Recovering You should now be able to use the Hosted Microsoft Exchange services without issues. Current Progress: Our Team has implemented the fix, and we are monitoring the service closely to ensure stability and confirm that the issue is fully resolved. Next Update: We will continue to monitor the fix implemented and will provide our next update by 9:00am EDT the 13th of June.
- resolved Jun 13, 2026, 08:27 AM UTC
The issue affecting Microsoft Exchange Canada services has been resolved, and all services are now operating normally. Impact Level: Resolved Latest Update: Our team successfully restored full service functionality across all resources at 9:15pm on 06/12/2026, and we have verified that system stability has returned. Next Steps: We are conducting a thorough Root Cause Analysis (RCA) to understand why this happened and to implement safeguards preventing it from occurring again. We will share the post-incident report with you by 06/19/2026. If you are still experiencing service-related issues, please contact our support team for further assistance.