Staff user cannot access remote files - Error cannot impersonate user

I get an error trying to access remote files as a staff user but not as a domain admin.
The error says...

Code:

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I cannot impersonate staffuser due to an issue logging onto the domain prenton.internal using an interactive login. HAP+ Requires Interactive login rights on the server it is running on.

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Have I missed a permissions setting somewhere?

Thanks

Your server needs to allow users to logon to the server interactively.

How Interactive Logon Works: Logon and Authentication

Edit local policy or GPO and browse to the following setting:
Computer Configuration\Windows Settings\Security Settings\Local Policies\User Rights Assignment\Allow log on locally
Add groups or users

Thanks for the suggestion.
I still can't get it to work though as I cannot edit the local policy on the member server with HAP running on it. There is a little padlock on the "User Rights Assignments" and when I try to edit the "Allow log on locally" the add user or group is greyed out.

Does anyone know how to edit this or does this have to be edited with group policy in AD?

Thanks

I managed to get group policy to edit that in the end.

Thanks Nick ;)