You can create Service Provider Administrator in Systems > Administrators tab. After the Service Provider Administrator is created, you can edit and reset the password.

To reset the password

From the Service Provider's Portal, click System tab.
Select Administrators.
Click on the name of the administrator.
Click Edit icon which is on the top right.
Under the Details tab, enable the Reset Password checkbox.
Click Save.

The Reset password checkbox is not visible for default admin SYSTEM.

Prerequisite of using Reset password feature for Admins

To use reset password feature, create an Administrator Email template and assign the template to a new administrator.

To create an Administrator Email Template

From the Service Provider's Portal, click System > Email Template.
Click Create Email Template.
Select Administrator Template.
Click Next.
Enter the required details.
Click Submit.

To assign Administrator Email template to a new admin

From the Service Provider's Portal, click System > Administrators.
Click Create Administrator.
Enter the details in required fields.
Select already created template from Welcome Email Template drop-down box.
Click Next.
Click Submit.

To update Administrator Email template of an existing admin

From the Service Provider's Portal, click System > Administrators.
Click on the admin name.
Click Edit icon.
Select the email template from Welcome Email Template drop-down box.
Click Save.