SharePoint and QPS should be set up on two different server machines.Each QPS user working in a SharePoint environment with QPS should be an LDAP user.The domain user who defines the SharePoint repository should be included as an LDAP user in QPS.The following settings are required on the SharePoint Administration Web site:

1. Navigate to Central Administrator > Application Management > Change Site Collection Administrator.
2. Change the user information to Domain User.
3. Navigate to Security > Manage the Form Administrator Group and select 
Domain User