With IPHost Network Monitor you can run WMI Total Async Overrun monitoring of various devices in your network.
To create a WMI monitor for Total Async Overrun, provide host name (it must be a Windows host) and specify custom WQL query:
Total number of async overrun errors. These can be caused by the baud rate being faster than the computer can handle, or a non-16550 serial line is used. Overruns can also occur if too many high speed serial lines are active at one time for the processor's power.
Terminal Services per-session resource monitoring.
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.