Windows Server 2019 Autoplay must be turned off for non-volume devices.

Allowing AutoPlay to execute may introduce malicious code to a system. AutoPlay begins reading from a drive as soon as media is inserted into the drive. As a result, the setup file of programs or music on audio media may start. This setting will disable AutoPlay for non-volume devices, such as Media Transfer Protocol (MTP) devices.

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Explorer\

Value Name: NoAutoplayfornonVolume

Type: REG_DWORD Value: 0x00000001 (1)

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> AutoPlay Policies >> "Disallow Autoplay for non-volume devices" to "Enabled".