The error message "virtual device serial0 will start disconnected" typically appears in VMware environments when a virtual machine (VM) is configured with a serial port that it cannot properly initialize at startup. This is often a non-critical notification rather than a fatal error, but it can be annoying or indicate a configuration mismatch. Why This Happens
The warning "Virtual device serial0 will start disconnected" typically appears in VMware environments when a virtual machine (VM) is configured to include a serial port that the host system cannot currently find or access. This is common in newer versions of VMware software where certain legacy features, such as ThinPrint, have been discontinued. Common Causes virtual device serial0 will start disconnected
when the software can't find or use the serial port assigned to the virtual machine. In recent updates (Fusion 13.5+ and Workstation 17.5+), this is most commonly caused by the removal of support for ThinPrint (virtual printing). Broadcom support portal Why this is happening Discontinued ThinPrint Support The error message "virtual device serial0 will start
If you are a developer or sysadmin who needs the data from that serial port, you can redirect the "Serial0" output to a text file on your host machine instead of a physical port. In VM Settings, select the Serial Port. Change the connection type to Output to file. This is common in newer versions of VMware
Yes and no.
Select the Printer or Serial Port device associated with serial0. Click Remove and save the changes. Option 2: Edit the VMX Configuration File