Smartsheet outage, 21 September 2026
Investigating blank page or error on Smartsheet Login
- Started
- Resolved
- 22 Sept 2026, 03:43 UTC (after 5 h 21 min)
- Impact
- Major
- Affected
- Smartsheet Login
Last update from Smartsheet
On September 21, 2026, Smartsheet experienced intermittent login page loading issues across three regions between 11:42 AM and 3:30 PM PDT, impacting Australia from 11:42 AM to 12:34 PM PDT, Europe from 2:05 PM to 3:00 PM PDT, and the United States from 2:05 PM to 3:30 PM PDT. The issue was triggered during scheduled security maintenance on egress firewalls, where default load balancer routing maintained long-lived proxy connections to rebooting appliances rather than resetting and redirecting them immediately to healthy instances. Consequently, approximately 12% to 20% of users attempting to load the login page during these regional windows experienced intermittent timeouts, while existin...
Read the full incident on the official Smartsheet status page
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