Looks more like you dont have permission to create anything on the server. In case you are the admin, you might need to check the Exports and users.local file.
Delete the entries in the users file located at C:\Windows\rsc.
Deploy the ACL againand this should fix your issue.
if the exports file was an issue he should get a message like 'host not authorized'. if he's getting a permission denied as this role, then it's unlikely he'll be able to push acls as the same role though. but check the acls is on the right path...
what role is this being run as ?
what is in the users and users.local? are there any entries mapping this role to a local administrator account ?