Scenario: When you try to install the AD Tools to your computer, you receive the error: 0x8024002e.
Solution:
In the registry, navigate to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate and change the Dword value for DisableWindowsUpdateAccess from a 1 to a 0.
After a computer restart, you can attempt to run the install again in PowerShell:
Add-WindowsCapability -Name ‘Rsat.ActiveDirectory.DS-LDS.Tools~~~~0.0.1.0’ -Online