Event Message:

A transport driver received a frame which violated the protocol.

Source Event Log Event ID Event Type
Various System 20 Error

User Action:

Check the device cabling, particularly the SCSI termination. If the cabling is working satisfactorily and you continue to receive this message, run hardware diagnostics on the device. You might need to contact the vendor of the device for technical support, and you might have to replace the controller, the disk drive, or both.