CoreView Outage History

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CoreView had 2 outages in the last 2 years totaling 38h 10m of downtime, averaging 0.1 incidents per month.

There were 2 CoreView outages since September 21, 2026 totaling 38h 10m of downtime. Each is summarised below. Incident details, duration, and resolution information.

Source: status.coreview.com

Minor September 30, 2026

M365 audit log ingestion delays

Detected by Pingoru
Sep 30, 2026, 08:08 PM UTC
Resolved
Oct 02, 2026, 09:39 AM UTC
Duration
1d 13h
Affected: PortalWorkflowPortalWorkflowPortalWorkflowPortalWorkflowPortalWorkflowPortalWorkflowPortal
Timeline · 3 updates
  1. identified Sep 30, 2026, 08:08 PM UTC

    Status: Identified We are experiencing M365 audit log ingestion delays on EUS data center - Engineering team has identified the root cause to be VMs disk issue. VMs with the issue are going to be replaced but as a precaution the ingestion flow has been slowed down. No data loss, but delays in last events shown are expected. Audit-based workflow can experience delays too. Affected components Workflow (Partial outage) Portal (Partial outage)

  2. monitoring Oct 01, 2026, 08:59 AM UTC

    Status: Monitoring VMs cluster has been restored - events ingestion is running at normal speed, some time is required to reach current time. Team is monitoring the situation Affected components Workflow (Partial outage) Portal (Partial outage)

  3. resolved Oct 02, 2026, 09:39 AM UTC

    Status: Resolved Situation is fully operational Affected components Workflow (Operational) Portal (Operational)

Read the full incident report →

Minor September 21, 2026

Management session fail to open

Detected by Pingoru
Sep 21, 2026, 04:18 PM UTC
Resolved
Sep 21, 2026, 04:57 PM UTC
Duration
39m
Affected: ManagementManagementManagementManagementManagementManagement
Timeline · 3 updates
  1. investigating Sep 21, 2026, 04:18 PM UTC

    Status: Investigating Starting from 2:40pm UTC EU customers are experiencing issues in opening Management session. The engineering team has identified the root cause and it is working to fix it. Other updates will follow. Running management sessions are not impacted and the issue is related to new sessions Affected components Management (Partial outage)

  2. investigating Sep 21, 2026, 04:29 PM UTC

    Status: Investigating GOV datacenter is impacted as well - Engineering team is about to fix the issue Affected components Management (Partial outage) Management (Partial outage)

  3. resolved Sep 21, 2026, 04:57 PM UTC

    Status: Resolved Situation back to normal - new management session flow is now restored. We are sorry for the inconvenience. Root cause identified as a deployment configuration issue Affected components Management (Operational) Management (Operational)

Read the full incident report →