Failed to create a session, confirm that the user has the proper privileges to log on to Microsoft Dynamics

While running system Administration > Setup > Workflow > Workflow
infrastructure configuration

Error:- Failed to create a session, confirm that the user has the proper privileges to log on to Microsoft Dynamics.

To resolve this:- Confirm that user is logged in as a administrator.
go to the user relation in system Administration > Common > User relation
and set user admin to a person.
and save this. jst close application and start again.