FortiSASE incident
Network Outage in Ashburn Fortinet Cloud PoP
FortiSASE experienced a notice incident on August 27, 2025 affecting Ashburn, VA, US (IAD-F1), lasting 1d 6h. The incident has been resolved; the full update timeline is below.
Affected components
Ashburn, VA, US (IAD-F1)
Update timeline
- monitoring Aug 27, 2025, 02:18 PM UTC
A network issue has been identified towards a single external ISP affecting our Ashburn PoP for customers utilizing dedicated IPs within the 209.40.109.0/24 subnet. If you have any questions regarding this incident, please contact FortiCare Support ( and reference FortiSASE Operations ticket #378267.
- monitoring Aug 27, 2025, 03:22 PM UTC
Connectivity to the problematic ISP has been disabled to ensure stability while they investigate the issue. We are continuing to monitor connectivity.
- resolved Aug 28, 2025, 08:25 PM UTC
Network connectivity has remained stable, incident is considered resolved.