multiple LDAP authentication

[sujith]

How will setup multiple LDAP authentication.

I need to authenticate users either parent domain or child domain.

Can you please help us how will write the code in global properties

[angelborroy]

You can follow this guide: Example: authentication and synchronization with two ldap-ad subsystems | Alfresco Documentation 

Just include the configuration for your 2 branches by creating subsystem folders.