...
Go to settings from the sandwich icon on the top right corner
Under "Misc. Settings" tabs go to AD settings
Provide the AD server details mentioned
Bind Username (used to create a bind and validate the users)
Bind User Password
Root Distinguished Name: Root path of AD tree under which users are being searched on AD server (eg: DC=company,DC=com)
AD Host - URL used to connect to the server using LDAPS
AD Port - port for AD (Eg: 639)
Domain - AD domain under which users are registered (eg: testuser@company.com → Domain: http://company.com )
After configuring the AD details , container to load the login configurationclick on save, copy the AD Certificate to server by following this steps .
Once CustomAPI is up, go to the login screen select "Login With AD" and provide your AD login username and password