SMART Notebook 18

    Virtual Device Serial0 Will Start Disconnected - Google Groups

    This message occurs when a Virtual Machine is configured to use a , but the hypervisor cannot establish the connection at boot time. Common causes include:

    Serial0 unassigned YES unset administratively down down

    This warning message (or log entry) typically appears in products (like VMware Workstation, Player, or ESXi). It indicates that the virtual machine is configured to have a serial port, but the host computer cannot connect to it—usually because the designated file or device path does not exist yet.

    typically occurs in VMware Fusion or Workstation after an update (specifically VMware Fusion 13.5 Workstation 17.5 ) because support for virtual printing has been discontinued

    environments and indicates that a virtual serial port cannot find its intended hardware or software backend during power-on

    If you’ve recently powered on a VMware Virtual Machine (VM) only to be greeted by the message you aren’t alone. While this warning might seem alarming, it’s usually a minor configuration mismatch rather than a sign of a failing system.

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