Install the Password Sync Agent to synchronize native password changes and resets.
Make sure "Password Access via API" using agent's email address and password authentication is enabled
Make sure admin acccount of Zendesk you are going to be used in password synchronization configuration having "Set Password permission".
Steps to configure Zendesk with ADSelfService Plus
Log into ADSelfService Plus admin console with admin credentials.
Navigate to Configuration → Self-Service → Password Sync/ Single Sign On.
Select the Zendesk application.
Note:
You can also find Zendesk application that you need from the search bar located in the left pane or the alphabet wise navigation option in the right pane.
Enter the Application Name and Description.
Enter the Domain name of your Zendesk account
In the Assign Policies field, select the policies for which password sync need to be enabled.
Note:ADSelfService Plus allows you to create OU and group-based policies for your AD domains. To create a policy, go to Configuration → Self-Service → Policy Configuration → Add New Policy.
Select Enable Password Sync.
Enter the Username and Password of your Zendesk account
Click Add Application
How to Enable 'Password Access' API
Navigate to Admin( Wheel icon - from left menu ) → CHANNELS → API → Settingstab.
Select Enable API authentication using an agent's email address and passwordoption enabled.
How to grant 'Set Password' permission ?
Navigate to Admin Centerby clicking box-menu icon near profile icon.