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Smartsheet: Smartsheet and Smartsheet Login Unavailable for Smartsheet US
Smartsheet reported a major US outage affecting login and application access, starting 2026-09-11 20:20 UTC and resolved at 2026-09-11 23:29 UTC (3 h 9 min). EU and AU were unaffected; the postmortem attributed the outage to a routine internal configuration change, which was corrected.
Machine-written from the archived incident (Sol). Check the timeline before relying on it.
Affected components: Core Application - SheetsSheetsCore Application - Single Sign On ( Company Credentials )Single Sign On ( Company Credentials )Core Application - Smartsheet LoginSmartsheet LoginCore Application - ReportsReportsCore Application - FormsFormsCore Application - DashboardsDashboards
Timeline of updates
- investigating
We're currently investigating reports of login and access failures affecting all users, with the app displaying the error "We're having trouble reaching Smartsheet right now." Our team is actively working on a resolution and will share frequent updates until the issue reaches monitoring status.
- identified
We've identified the issue and implemented a change, which has resulted in Smartsheet loading and users being able to log in successfully. However, an error message is still appearing on the home screen during a hard refresh. Our team is continuing to investigate this remaining issue and will provide updates as we work toward full resolution.
- monitoring
The change we implemented has resolved the login and access issues, and Smartsheet is now loading successfully for all users. Things appear stable at this time. We are continuing to monitor the situation closely and will provide an update once we've confirmed full resolution.
- resolved
This incident has been resolved.
- postmortem
On September 11th, 2026, starting at 12:47 PM PDT, users in the US began experiencing errors logging in to and accessing Smartsheet. Users in the EU and AU regions were not affected. By approximately 1:38 PM PDT, full service was confirmed to be restored. Our engineering teams quickly determined that a routine internal configuration change was the cause of Smartsheet's unavailability. The change was corrected, and full service was restored by approximately 1:38 PM PDT. We are currently reviewing our configuration management and change review processes, along with our internal monitoring, to prevent similar issues in the future.
Rewindex changes for this incident
- Major incident: Smartsheet and Smartsheet Login Unavailable for Smartsheet US 2026-09-11 20:20 UTC
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Smartsheet profile · Recent Smartsheet incidents · Markdown · JSON