Standard Serial over Bluetooth link (COM30) Driver

The Standard Serial over Bluetooth link (COM30) driver lets compatible Bluetooth devices exchange serial data with Windows through a virtual COM port. Provided through Microsoft’s Windows Bluetooth support, it is useful for connecting serial-enabled equipment, such as scanners, GPS receivers, or diagnostic tools, to software that communicates over COM30.

Key Features

• Virtual serial communication: Provides a COM-port interface for compatible Bluetooth devices using the Serial Port Profile (SPP).
• Microsoft integration: Works with Windows Bluetooth components and a properly installed Bluetooth adapter to support serial connections.
• Application compatibility: Allows programs that accept serial-port input to communicate with paired Bluetooth equipment.
• Flexible port assignment: COM30 identifies the assigned virtual port, not a separate hardware model. The number may differ between computers or after pairing again.

How to Install Standard Serial over Bluetooth link (COM30) Driver

1. Check your Windows version. This listing covers Windows 10, 8.1, 7, Vista, and XP. Before choosing a Standard Serial over Bluetooth link (COM30) driver download for Windows, confirm that the package matches your operating system and system architecture. For Windows 10/11 systems, do not assume an older package supports Windows 11.
2. Verify the Bluetooth adapter. Open Device Manager and check that your Bluetooth adapter is enabled and has no warning icon. If necessary, install its driver from the computer or adapter manufacturer first.
3. Use a trusted driver source. Check Windows Update or the manufacturer’s support resources for the latest version compatible with your setup. This Microsoft serial-port component is commonly supplied with Windows, so a separate free download may not be necessary.
4. Pair the serial-enabled device. Add your equipment through Windows Bluetooth settings and enable its serial service if offered. Windows should install the relevant component and create a virtual COM port.
5. Confirm the port and test. In Device Manager, look under Ports (COM & LPT) for Standard Serial over Bluetooth link (COM30). Select COM30 in your application and use the communication settings specified by the equipment manufacturer. If Windows assigns a different port, select that number instead.

Keep the driver and Bluetooth adapter software updated through trusted sources, especially if connections become unreliable. An update can help resolve compatibility issues, but pairing, port selection, and application settings also affect operation. Older Windows releases may no longer receive driver updates, so check availability before making changes.

Common Issues and Fixes

• COM30 not created after pairing: The Bluetooth serial service may be disabled. Open Settings > Bluetooth & devices > Devices, select the linked device, open More Bluetooth options > COM Ports, and confirm an incoming/outgoing port exists. Remove and re-pair the device if COM30 is missing.
• Install fails or device shows a yellow warning: Run the Bluetooth troubleshooter, update the Bluetooth adapter driver from Windows Update or your PC maker, then reinstall the Microsoft Bluetooth serial driver via Device Manager > Ports (COM & LPT) > Update driver. Reboot before retesting.
• COM30 is busy or conflicts with another port: In Device Manager, open COM30 > Port Settings > Advanced and assign a free COM number; close apps holding the port. If duplicate Bluetooth serial ports exist, remove unused ones and re-pair.