Virtual Device Serial0 Will Start Disconnected Review

The warning is completely harmless.

: The most common reason in modern versions of VMware Workstation (17.5+) and VMware Fusion (13.5+) is the removal of the ThinPrint virtual printing feature . These newer versions no longer support the ThinPrint protocol, which often utilized serial0 . virtual device serial0 will start disconnected

Emulating unplugged hardware:

The message "virtual device serial0 will start disconnected" is a benign informational log from virtualization software (commonly QEMU/KVM, VirtualBox, or libvirt) indicating that a virtual serial device (named serial0) is configured but will not be connected to a host endpoint at VM start. It does not by itself indicate an error but explains why a guest serial port is inactive; troubleshooting depends on whether this was intentional. The warning is completely harmless

serial0.present = "TRUE" serial0.startConnected = "FALSE" which often utilized serial0 .