--- title: "esx.problem.hardware.acpi.interrupt.routing.pin.invalid" description: "BIOS bug. Skipping interrupt routing entry with bad device pin. A BIOS bug was detected for this server. Refer to the VMware Online Documentation for more information." canonical: "https://helpcenter.veeam.com/docs/mp/kb/esx.problem.hardware.acpi.interrupt.routing.pin.invalid.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Host Hardware Warning > esx.problem.hardware.acpi.interrupt.routing.pin.invalid" dateModified: "2026-09-10" --- # esx.problem.hardware.acpi.interrupt.routing.pin.invalid ## Summary BIOS bug. Skipping interrupt routing entry with bad device pin. ## Causes A BIOS bug was detected for this server. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.