Setup:
Create an user federation by selecting “LDAP” from the dropdown at the top right corner
2. Fill the following fields
3. Sync, remove and unlink users by cliking following buttons.
Findings:
a. Couldn’t found any way of setting up AD groups with Asta access
b. By default it gets default-roles-archive-manager, offline_access, uma_authorization
c. It’s possible to connect with multiple AD instances by creating multiple user federation.