You must assign users who will be responsible for managing users’ storage quota the appropriate permissions. Make sure to notify users that you have assigned them permissions to these Portal features.
To assign quota permissions:
1. Click Security > Portal Resources, select Quota Levels, and assign Read permissions to all users you want to give access to the Quota Levels page and related settings.
2. Click Security > Operations, select Create Quota Levels, and assign Execute permissions to all users that will be able to create quota levels.