Virtual Device Serial0 Will Start Disconnected Jun 2026

Most users can safely ignore the warning, especially if they are not actively using the serial port. For those who find the message persistent and wish to eliminate it, identifying the root cause through the troubleshooting steps outlined above—focusing on virtual printing configuration, license validation, host port availability, VMX file integrity, and network or firewall settings—will lead to a clean, warning‑free boot every time.

Shut down the VM and locate its directory on the datastore or host storage. Backup the .vmx file before making edits. virtual device serial0 will start disconnected

If you do not explicitly use virtual printing, removing the legacy device is the cleanest fix. the virtual machine completely. Open Edit Virtual Machine Settings . Most users can safely ignore the warning, especially

: 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 . Backup the

Depending on whether you actually need the serial port, you can resolve this warning using three different methods. Method 1: Remove the Serial Port (Recommended)