With IPHost Network Monitor you can run WMI Is Locked monitoring of various devices in your network.
To create a WMI monitor for Is Locked, provide host name (it must be a Windows host) and specify custom WQL query:
An indication of whether the device is locked, preventing user input or output.
The Win32_Keyboard class represents a keyboard installed on a Win32 system. Example: A Microsoft Natural(R) keyboard
IPHost Network Monitor is an advanced and easy tool for monitoring LAN and WAN networks, network servers, workstations and TCP/IP devices. Use IPHost Network Monitor to monitor your servers, domains, computers and devices.