Windows 2012/2012 R2 password for the built-in Administrator account must be changed at least annually or when a member of the administrative team leaves the organization.

From Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide

Part of Administrator Account Password Changes

Associated with: CCI-000366

SV-52942r3_rule Windows 2012/2012 R2 password for the built-in Administrator account must be changed at least annually or when a member of the administrative team leaves the organization.

Vulnerability discussion

The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the password. The password for the built-in Administrator account must be changed at least annually or when any member of the administrative team leaves the organization.Organizations that use an automated tool, such Microsoft's Local Administrator Password Solution (LAPS), on domain-joined systems can configure this to occur more frequently. LAPS will change the password every "30" days by default.

Check content

Review the password last set date for the built-in Administrator account. Domain controllers: Open "Windows PowerShell". Enter "Get-ADUser -Filter * -Properties SID, PasswordLastSet | Where SID -Like "*-500" | FL Name, SID, PasswordLastSet". If the "PasswordLastSet" date is greater than one year old, this is a finding. Member servers and standalone systems: Open "Windows PowerShell" or "Command Prompt". Enter 'Net User [account name] | Find /i "Password Last Set"', where [account name] is the name of the built-in administrator account. (The name of the built-in Administrator account must be changed to something other than "Administrator" per STIG requirements.) If the "PasswordLastSet" date is greater than one year old, this is a finding.

Fix text

Change the built-in Administrator account password at least annually or whenever an administrator leaves the organization. More frequent changes are recommended. Automated tools, such as Microsoft's LAPS, may be used on domain-joined member servers to accomplish this.

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