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Mendix Cloud Mendix Cloud Dedicated EU (Frankfurt) Sierra partial outage

Incident Report for Mendix Technology

Resolved

Between 10:04 UTC and 20:00 UTC on August 21, applications in this dedicated cluster were
unable to establish connections to other applications in the same dedicated cluster.
Applications that depend on data provided by another application may have been unavailable to
end users during this period.

The cause was identified in the platform network configuration and a fix has been applied.
Connectivity between applications has been restored and confirmed. No action is required from
customers, and it was not necessary to restart or redeploy applications. If you continue to
experience any problems, please contact Mendix Support.
Posted Aug 21, 2026 - 08:00 UTC