Windows Server 2019 computer account password must not be prevented from being reset.

STIG ID: WN19-SO-000090  |  SRG: SRG-OS-000379-GPOS-00164 | Severity: medium |  CCI: CCI-001967

Vulnerability Discussion

Computer account passwords are changed automatically on a regular basis. Disabling automatic password changes can make the system more vulnerable to malicious access. Frequent password changes can be a significant safeguard for the system. A new password for the computer account will be generated every 30 days.

Check

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: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: DisablePasswordChange

Value Type: REG_DWORD
Value: 0x00000000 (0)

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Disable machine account password changes" to "Disabled".