The account lockout duration must be configured to require an administrator to unlock an account.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1099	4.004	SV-25014r2_rule		Medium

Description
The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the amount of time that an account will remain locked after the specified number of failed logon attempts. A value of 0 will require an administrator to unlock the account.

STIG	Date
Windows 7 Security Technical Implementation Guide	2017-02-21

Details

Check Text ( C-60767r2_chk )
Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Account Policies >> Account Lockout Policy. If the "Account lockout duration" is not set to "0", requiring an administrator to unlock the account, this is a finding.

Fix Text (F-65499r2_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Account Lockout Policy >> "Account lockout duration" to "0" minutes, "Account is locked out until administrator unlocks it".