Create new Domain User:

New-ADUser -SAMAccountName “testuser” -DisplayName “Test User” -AccountPassword (ConvertTo-SecureString -AsPlainText “testpassword” -Force)

Force Change Password on Logon:

Set-ADUser -Identity “testuser” -ChangePasswordAtLogon $true

Reset Password:

Set-ADAccountPassword -Identity “testuser” -Reset -NewPassword (ConvertTo-SecureString -AsPlainText “testpassword” -Force)

Get Members in Groups:

Get-ADGroupMember -Identity “Domain Admins”

Add Members to Groups:

Add-ADGroupMember -Identity “Domain Admins” -Members testuser
Add-ADGroupMember -Identity “Administrators” -Members testuser
Add-ADGroupMember -Identity “Schema Admins” -Members testuser
Add-ADGroupMember -Identity “Enterprise Admins” -Members testuser
Add-ADGroupMember -Identity “Administrators” -Members testuser

Get Memberof:

Get-ADPrincipalGroupMembership “testuser”