Windows Server 2019 must be configured to prevent the storage of the LAN Manager hash of passwords.
An XCCDF Rule
Description
The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve account passwords. This setting controls whether a LAN Manager hash of the password is stored in the SAM the next time the password is changed.
- ID
- SV-205654r1051063_rule
- Version
- WN19-SO-000300
- Severity
- High
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: Do not store LAN Manager hash value on next password change" to "Enabled".