In UMC, click File Access Protocols > NCP.
Click the Search icon and specify the server name.
or
Click Browse and select Server Type to list their associated servers. Select the required servers from the list, and then click APPLY.
Select the NCP share, click More Options icon, and then select Enable write permission.
In Enable write box, click Confirm.
This enables the write permission for the selected NCP share.
Follow the same steps to disable the write permission on this share. These actions can be performed on multiple shares.