Common Controls Hub
Windows Server 2016 reversible password encryption must be disabled.
Storing passwords using reversible encryption is essentially the same as storing clear-text versions of the passwords, which are easily compromised. For this reason, this policy must never be enabled.
Windows Server 2016 Security Technical Implementation Guide
Check Text ( C-91455r1_chk )
Verify the effective setting in Local Group Policy Editor.
Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Password Policy.
If the value for "Store passwords using reversible encryption" is not set to "Disabled", this is a finding.
For server core installations, run the following command:
Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt
If "ClearTextPassword" equals "1" in the file, this is a finding.
Fix Text (F-79767r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Password Policy >> "Store passwords using reversible encryption" to "Disabled".