Fix the search in the people picker.
Get group membership (augmentation).
Query multiple AD / LDAP servers.
Compatible with all SharePoint Server versions.
Customize the display in the people picker.
Easy to configure through PowerShell or administration pages.
LDAPCP can be easily tested by deploying this ARM template in Azure: It creates a full SharePoint farm and configures LDAPCP in a federated scenario between SharePoint on-premises and ADFS.