Refer to Which folders need to be shared and what level of access do users need? to verify what folder needs to be shared.

1. Right-click on the folder, then select Properties.
2. Go to Sharing Tab.
3. Click Advanced Sharing.
4. Check the box for Share this folder, then click Permissions.
5. Click Add.
6. In Enter the object names to select enter in System and the desired Windows usernames or groups, click Check Names, then click OK.
7. For each user, select the Allow check box for Full Control.
8. Click OK on the Permissions window.
9. Click OK on the Advanced Sharing window.
10. Switch to the Security tab.
11. Click the Edit button.
12. If the Administrators user is not in the Group or user names, click the Add button.
13. In Enter the object names to select enter in Administrators, click Check Names, then click OK.
14. With the Administrators user highlighted, select the Allow check box for Full Control, then click OK.
15. Click the Close button.