cht4iscsi Seen on: Windows 10 (1607, 1703, 1709, 1803, 1809, 1903, 1909, 2004, 20H2) Windows 11 (21H2) Log source(s): cht4iscsi Log type: System Event message file(s): %systemroot%\system32\drivers\cht4sx64.sys %systemroot%\system32\iologmsg.dll