Microsoft LAPS (Local Administrator Password Security)

Estimated reading time: 2 minutes

Download and Install LAPS on Active Directory

Download LAPS

Install LAPS on Domain Controler:

Create two security group, one for readers (LAPS-readers) and one for writers (LAPS-reset):

Copy path organisation unit

Run powershell script (Replace organisation unit path):

Import-module AdmPwd.PS
Update-AdmPwdADSchema

Set-AdmPwdComputerSelfPermission -OrgUnit "CN=Computers,DC=churchoregon,DC=local"
Set-AdmPwdReadPasswordPermission -OrgUnit "CN=Computers,DC=churchoregon,DC=local" -Allowedprincipals "LAPS-readers"

Set-AdmPwdReadPasswordPermission -OrgUnit "CN=Computers,DC=churchoregon,DC=local" -Allowedprincipals "LAPS-reset"
Set-AdmPwdResetPasswordPermission -OrgUnit "CN=Computers,DC=churchoregon,DC=local" -Allowedprincipals "LAPS-reset" 

Open Group Policy Managment:

Create new GPO container with LAPS-PWD:



Edit new GRO LAPS

Open Computer Configuration -> Polices -> Administrative Template -> LAPS

Edit “Password Settings” switch to Enabled

Edit “Enable local admin password managment” switch to Enabled

Install LAPS on PC

Need install LAPS on PC, or setup installation use GPO

How to read password and make reset

Run LAPS UI on DC. Enter Computer name and press “Search”.

How to install LAPS on all PC in domain

Create share for apps

Open Server Manager / File and Storage Services -> Shares
Task -> New Share for create

Select SMB Share - Quick and press Next

Type name GPO-APPS ad press Next

Press Next

Press Next

Setup LAPS package use GPO on all Computer in domain

Open GPO LAPS and go to Computer -> Polices -> Software Settings -> Software Installation, right mouse click select New -> Package

Select network patch apps like on screenshot

Select “Assigned” mode and press OK

run gpupdate command in powershell console on DC

Check ExtendedRights permissions on OU

To get information on the groups and users able to read the password (ms-MCS-AdmPwd) for a specific Organizational Unit (OU), run the following command.

Find-AdmPwdExtendedRights -identity "CN=Computers,DC=vixon,DC=local" | Format-Table ExtendedRightHolders

Set all passwords

Get-ADComputer -Filter * -SearchBase “CN=Computers,DC=vixon,DC=local” | Reset-AdmPwdPassword -ComputerName {$_.Name}

List all passwords

Get-ADComputer -Filter * -SearchBase "CN=Computers,DC=vixon,DC=local" | Get-AdmPwdPassword -ComputerName {$_.Name}

REFERENCES

INSTALLATION LAPS

azure, enable, tls, vm