Outage in Exclaimer
Imprint failures in US1 datacenter
Resolved MajorIncident Report
Summary AI Generated
Exclaimer experienced imprint failures in its US1 datacenter lasting approximately 11.4 hours, affecting Client Side Signatures for both Office 365 and G Suite. The root cause was identified as an auto-scaling failure on key services, which engineers resolved by manually scaling the affected infrastructure. Imprinting recovered shortly after and the incident was fully resolved following a monitoring period.
We are currently seeing an increase in imprint failures for messages processed in the US1 datacenter.
Components affected
Exclaimer Client Side Signatures - Office 365 Exclaimer Client Side Signatures - G SuiteTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
7 days ago - at 08/05/2026 06:34AM
This incident has been resolved.
MONITORING
7 days ago - at 08/04/2026 07:54PM
Imprinting has now recovered and is operationsl once more. Engineers will continue to monitor the situation.
IDENTIFIED
7 days ago - at 08/04/2026 07:38PM
We have identified an issue with the auto scaling on key services. These have been manually scaled and we are seeing recovery.
INVESTIGATING
7 days ago - at 08/04/2026 07:14PM
We are currently seeing an increase in imprint failures for messages processed in the US1 datacenter.
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