The directory quota for a volume or folder is not enabled by default. To modify the directory quota, perform the following steps:
Click Files and Folders and use any one option to select the servers.
Click the Search icon, specify the required server name and select it from the drop-down list to view the available volumes.
Click BROWSE, select the required servers from the tree, and then click APPLY.
Select the volume or click the volume Name to select the required folder, click More Options > Properties.
On the Details tab > Quota, click Modify Quota .
In the Modify Directory Quota box, update the new quota details, and then click Confirm.