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Terraform cannot connect to APIC API in ACI Always-On Sandbox

calendar_today October 1, 2026 person hara-mc domain cisco-psirt

Hello, I am using the ACI Always-On Sandbox for Terraform testing. Recently, API access appears to be unavailable although the APIC GUI is accessible. Environment: - Terraform 1.15.8 - Cisco ACI Provider 2.20.0 Observed behavior: - APIC GUI is accessible - Terraform login fails - REST API login fails - Test-NetConnection to port 443 succeeds Could you please confirm whether this is a known issue related to current DevNet Sandbox maintenance?

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