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Managed Android Troubleshooting Fail Close/Open Scenario

Last updated: Aug 07, 2025

Fail Close/Open Scenario

Navigate to Cisco Secure Client settings > Advanced, and enable the Mobile devices DNS Fail-open field to egress DNS traffic directly to the internet when Secure Access is unreachable.

In case of internal errors, such as the Secure Access Resolver is not reachable or the DNSCrypt Certificate is not available, the Secure Access UI displays an error.