Blackline incident
BlackLine Critical Maintenance - SandBox Only
Blackline experienced a major incident on June 10, 2026 affecting SB US2 and SB NA3 and 1 more component, lasting 23m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jun 10, 2026, 06:25 PM UTC
BlackLine will be performing critical maintenance in Sandbox environments on June 10th 11:30 PST as part of our continued commitment to ensure our infrastructure reliability and redundancy. During this maintenance, users may experience intermittent service interruptions with existing sessions. Times are subject to change, but will be updated before and after maintenance. Maintaining uptime and availability is of the utmost importance to BlackLine and we strive to provide as much notice as possible. From time to time, it may be necessary to perform critical maintenance to continue to provide the availability and uptime our customers expect. We appreciate your patience and understanding during this maintenance.
- resolved Jun 10, 2026, 06:48 PM UTC
BlackLine has confirmed that the service is fully operational and we apologize for any inconvenience this issue may have caused.