In UMC, click File Access Protocols > CIFS.
Search or browse the servers to list the shares.
Select the share, click More options icon, and then select Manage rights.
On the Manage rights page, click Add Trustee.
In the Add Trustee(s) wizard, navigate through the server tree and select the required trustees or users.
You can modify the object type using the All objects drop-down.
Click Confirm.
This adds the selected trustee(s) to the volume. For more information on inherited rights and effective rights, see What are inherited rights? and What are effective rights? in Section 15.0, Managing Rights.