Stack Overflow had 45 outages in the last 2 years totaling 281h 11m of downtime — averaging 1.8 incidents per month.
There were 45 Stack Overflow outages since April 27, 2026 totaling 281h 11m of downtime. Each is summarised below — incident details, duration, and resolution information.
Incident: We are aware of potential performance degradation on a number of websites using our shared hosting platform in London. Our team are investigating, and we will provide another update as soon as possible.
Incident Update: The issue has now been resolved, and normal service has been restored. We will continue to monitor closely to ensure services remain stable.
Incident: We're currently aware of intermittent database connectivity. This appears to be impacting the following database host: sdb-58. Our System Administrators are currently investigating, and updates will be provided as we have more information available.
Incident Update: Our system administrators have identified the cause of the connectivity issues seen and have deployed a fix to restore database connectivity.
Incident: We are currently aware of some reports of slow websites using storage "40a" and "40b" on our shared hosting platform. Our team are investigating, and we will provide another update as soon as possible.
Incident Update: The issue has now been resolved, and normal service has been restored. We will continue to monitor closely to ensure services remain stable.
Incident: We're currently aware of intermittent database connectivity. Our System Administrators are currently investigating, and updates will be provided as we have more information available.
Incident Update: Our system administrators have identified the cause of the connectivity issues seen and have deployed a fix to restore database connectivity.
Incident Update: Shared database connectivity affecting sdb-63.hosting.stackcp.net, sdb-64.hosting.stackcp.net, sdb-65.hosting.stackcp.net, sdb-66.hosting.stackcp.net, wpdb-31.hosting.stackcp.net & wpdb-32.hosting.stackcp.net have now been resolved. Our System Administrators have identified the cause of the database connectivity issue and are now monitoring the situation.
Incident Update: Our system administrators have identified an issue affecting NAS storage 26a on our shared hosting platform in London. Investigations are ongoing, and we are working to restore normal performance as quickly as possible.
Incident Update: We are pleased to inform you that all VPS and Cloud Servers on kvmhost24 have been successfully restored and are now fully operational. Our system administration team will continue to monitor the host closely to ensure stability and performance.
Incident: We are currently experiencing an issue with kvmhost31, which is causing VPS and Cloud Servers on this host to be unavailable. Our system administration team is actively investigating the problem and working to restore services as quickly as possible. We will provide further updates as soon as more information becomes available.
Incident: SSH is currently unavailable on our hosting platforms across our UK, US, and Singapore locations. Our engineers are working to restore SSH access as quickly as possible. We will provide further updates as more information becomes available.
Incident Update: We're pleased to confirm that SSH connectivity has now been fully restored across our UK, US, and Singapore hosting platforms. Our system administrators have completed the necessary work, and SSH access is once again available.
Incident Update: We are pleased to inform you that all VPS and Cloud Servers on kvmhost31 have been successfully restored and are now fully operational. Our system administration team will continue to monitor the host closely to ensure stability and performance.
Incident: We are currently experiencing an issue with kvmhost31 in London, which is causing VPS and Cloud Servers on this host to be unavailable. Our system administration team is actively investigating the problem and working to restore services as quickly as possible. We will provide further updates as soon as more information becomes available.
Scheduled Maintenance: We are carrying out essential core network upgrades to our Dallas, United States (DFW) infrastructure. As part of this work, we will be increasing network capacity to support future growth and improve overall platform resilience. No service interruption is expected during the maintenance window. However, due to the nature of the work being carried out, services should be considered "at risk" throughout the scheduled period. Scheduled for: 2026-07-04 22:00:00 To be completed: 2026-07-07 22:00:00
Incident: We're currently receiving reports of degraded performance via the hosting control panel. Our system admin team are investigating, and we will provide an update as soon as possible.
Incident Update: This incident has now been resolved.
Scheduled Maintenance: An emergency maintenance window has been scheduled between 0500 and 0800 UTC on Friday 26th June. During this period, the highlighted machine will be powered down, and vital hardware upgrades will be enacted. Please note that this maintenance will only affect VPS and Cloud Server products located on the denoted servers. Scheduled for: 2026-06-26 05:00:00 To be completed: 2026-06-26 08:00:00
Incident: We're aware of intermittent database connectivity on shareddb-a.hosting.stackcp.net, shareddb-c.hosting.stackcp.net, shareddb-e.hosting.stackcp.net, wordpressdb-a.hosting.stackcp.net, wordpressdb-b.hosting.stackcp.net & wordpressdb-c.hosting.stackcp.net. Our System Administrators are currently investigating, and updates will be provided as we have more information available.
Incident Update: Our system administrators have identified the cause of the connectivity issues seen and have deployed a fix to restore database connectivity.
Incident Update: Our system administrators have identified the cause of the connectivity issues seen and have deployed a fix to restore database connectivity.
Incident Update: Our system administrators have identified the issue and are currently working on a fix. This incident affects the following hosts: sdb-75.hosting.stackcp.net, sdb-76.hosting.stackcp.net, sdb-77.hosting.stackcp.net, sdb-78.hosting.stackcp.net, wpdb-37.hosting.stackcp.net, wpdb-38.hosting.stackcp.net
Incident Update: Network connectivity has been fully restored. The issue was traced to an upstream IP transit provider and has now been resolved. All affected Cloud Servers should be reachable again. We apologize for any inconvenience caused.