Technical source document

Validation

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Validation

Group Policy

gpupdate /force completed successfully on WS01. gpresult /r /scope computer listed GPO - Workstations - Windows LAPS under Applied Group Policy Objects. The Group Policy Results wizard was also generated after WMI/RPC remediation.

Effective policy

Event ID 10021 reported:

Policy source: GPO
Backup directory: Active Directory
Local administrator account name: LocalAdmin
Password age in days: 30
Password complexity: 4
Password length: 14
Password expiration protection enabled: 1
Password encryption enabled: 1
Password encryption target principal: JFAD\GG-LAPS-Password-Readers

AD backup and retrieval

Sanitized final retrieval:

ComputerName        : WS01
Account             : LocalAdmin
PasswordUpdateTime  : 9/11/2026 7:06:17 PM
ExpirationTimestamp : 10/11/2026 7:06:17 PM
Source              : EncryptedPassword
DecryptionStatus    : Success
AuthorizedDecryptor : JFAD\GG-LAPS-Password-Readers

The Password property was deliberately excluded.

Forced rotation

Event sequence:

  • 10014 - administrator-initiated password update
  • 10020 - LocalAdmin password updated
  • 10018 - Active Directory updated with the new password
  • 10004 - LAPS policy processing succeeded

Least privilege

laps.reader01 was validated with only Domain Users and GG-LAPS-Password-Readers memberships and successfully decrypted the encrypted LAPS record.

A standard user outside the reader group produced:

ACCESS TEST RESULT: No LAPS record returned for unauthorized user.

AD attribute presence

Name                          : WS01
msLAPS-PasswordExpirationTime : 134362343115244738
EncryptedPasswordPresent      : True