Virtual Device Serial0 — Will Start Disconnected

When powering on a virtual machine (VM) in VMware Workstation, VMware Fusion, or ESXi, you may encounter a pop-up warning stating:

The serial port is set to output to a file, but the path is invalid or the folder does not exist. virtual device serial0 will start disconnected

Map the Serial Port to a specific physical serial port (e.g., COM1cap C cap O cap M 1 COM2cap C cap O cap M 2 ) and ensure "Connect at power on" is checked. When powering on a virtual machine (VM) in