Windows Server 2019 Turning off File Explorer heap termination on corruption must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205871 | WN19-CC-000320 | SV-205871r991589_rule | CCI-000366 | low |
| Description | ||||
| Legacy plug-in applications may continue to function when a File Explorer session has become corrupt. Disabling this feature will prevent this. | ||||
| STIG | Date | |||
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 | |||
Details
Check Text (C-205871r991589_chk)
The default behavior is for File Explorer heap termination on corruption to be enabled.
If the registry Value Name below does not exist, this is not a finding.
If it exists and is configured with a value of "0", this is not a finding.
If it exists and is configured with a value of "1", this is a finding.
Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Explorer\
Value Name: NoHeapTerminationOnCorruption
Value Type: REG_DWORD
Value: 0x00000000 (0) (or if the Value Name does not exist)
Fix Text (F-6136r355976_fix)
The default behavior is for File Explorer heap termination on corruption to be disabled.
If this needs to be corrected, configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> File Explorer >> "Turn off heap termination on corruption" to "Not Configured" or "Disabled".