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ESET has a partial disruption.
ESET is up, but not fully healthy. The official source has reported a scoped disruption.
Signal updated 1d ago · Sep 16, 2026, 1:00 PM UTC
Current incident · started Sep 14, 2026, 7:29 PM UTC
MS Exchange Online email scanning delayed in US and EU
We are currently experiencing a delay in MS Exchange Online email scanning that is estimated to 10-30 minutes. To mitigate the issue, the MailScanService was restarted on the SFC machines. We are currently waiting for the new TTL settings to take full effect and for the scanning process to return to normal operation. The root cause of the issue has not yet been identified and is currently under investigation.
Affected surface
Components
0 of 33 affected
Official incident text
We are currently experiencing a delay in MS Exchange Online email scanning that is estimated to 10-30 minutes. To mitigate the issue, the MailScanService was restarted on the SFC machines. We are currently waiting for the new TTL settings to take full effect and for the scanning process to return to normal operation. The root cause of the issue has not yet been identified and is currently under investigation.
Source text is preserved verbatim and paired with its retrieval time.Last 30 days · Status timeline
What changed
- Investigating
We are aware of an issue with the Telia internet service provider that prevents customers from accessing ESET Cloud Services. We will provide updates in due course.
- Investigating
We are aware of an issue with the Telia internet service provider that prevents customers from accessing ESET Cloud Services. We will provide updates in due course.
- Scheduled
Please be aware that between September 14 and September 18 2026, selected customers will be transitioned from ESET Business Account (EBA) to ESET PROTECT Hub (EPH) as part of the ongoing platform migration. During the migration period, affected users may experience a brief interruption when accessing ESET Business Account. In some cases, users who are logged in during the migration may temporarily see a maintenance page while the transition is completed. The migration is designed to minimize disruption, and any temporary unavailability of ESET Business Account is expected to last only a few minutes. Security services and customer protection remain fully operational throughout the migration period. Thank you for your patience and understanding.
- In Progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
- Investigating
We are currently experiencing a delay in MS Exchange Online email scanning that is estimated to 10-30 minutes. To mitigate the issue, the MailScanService was restarted on the SFC machines. We are currently waiting for the new TTL settings to take full effect and for the scanning process to return to normal operation. The root cause of the issue has not yet been identified and is currently under investigation.
- Investigating
Scanning process had returned to normal operation. We'll monitor performance during work hours in case the issue reoccurs.
- Identified
Scanning process had returned to normal operation.
- Monitoring
The scanning process has returned to normal operation. We will continue to monitor performance in case the issue reoccurs.
- Investigating
We are currently experiencing a delay in MS Exchange Online email scanning that is estimated to 10-30 minutes. EU and US regions are affected. To mitigate the issue, the MailScanService was restarted on the SFC machines. The root cause of the issue has not yet been identified and is currently under investigation.
- Identified
US environment should not be affected anymore. Mail are processing without any delay. EU region still affected.
- Monitoring
The service should be restored in both regions. We continue to monitor the behavior.