Virtual Device Serial0 Will Start Disconnected Online

Fixing the "Virtual device serial0 will start disconnected" VMware Error

for the VM and remove the Serial Port device entirely to stop the log warning. Why is this happening?

Setting up a virtual serial console allows text-based redirection for Linux servers or network appliances. virtual device serial0 will start disconnected

On the right panel under , uncheck the box next to Connect at power on . Click OK and boot the virtual machine. Method 3: Manually Edit the VMX Configuration File

: Ensure the correct serial WIC (like a WIC-2T) is installed in the appropriate slot on the router before you power it on and attempt to create links. Fixing the "Virtual device serial0 will start disconnected"

Navigate to the VM folder and open the .vmx file with a text editor (e.g., Notepad). Look for lines starting with serial0 . Ensure they look similar to this for a pipe connection: serial0.present = "TRUE" serial0.fileType = "pipe" serial0.fileName = "\\.\pipe\yourpipename" serial0.startConnected = "TRUE" Save and close the file, then restart the VM. 4. Troubleshooting: When the Serial Port is Needed

To help narrow down the exact steps for your setup, let me know: On the right panel under , uncheck the

Depending on your specific VMware product, use the following steps to resolve or suppress the warning: For VMware Workstation Users: Disable Virtual Printing Globally: This is the most common fix. Go to Preferences and uncheck the box for "Enable virtual printers" Modify Individual VM Settings:

Emulating unplugged hardware:

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.