Sigh. In Project Server 2010 you can easily backup and restore item-level objects through the administrative backup setting. Item-level objects that can be backed up are:
- Projects
- Enterprise Resource Pool and Calendars
- Enterprise Custom Fields
- Enterprise Global
- View Definitions
- System Settings
- Category and Group Settings
In Project Server 2013, however, it has to be done through SharePoint Central Administration. 
I don’t know about you, but this is frustrating to me because I do not have access to SharePoint Central Administration. Keep in mind that not giving me this access is the right decision…. I know only enough to be dangerous in there and would inevitably screw something up. 
This means that if I want to back up the current version before I make additional changes, I have to contact someone else. Since today is Sunday, I don’t want to bother anyone else but I REALLY want to back up this schedule because I’m about to make some MAJOR changes.
Anyway, enough of my whining. If you have the access and want to perform an administrative backup right away, here are the steps:
- Go to SharePoint Central Administration and click Application Management.
- In the Service Application section, click Manager Service Applications.
- Click the Project Application Service that contains the Project Web App instance for which you want to perform an Administrative Backup.
- Click the drop-down menu for the PWA instance and click Manage.
- In the Queue and Database Administration section, click Administrative Backup.
- Check the items you want to back up and then click Backup.
I pulled these down from TechNet, you can access the full article here.
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Happy Scheduling!
