How to set ‘Archive Usage Limit’ above 16GB for a user in Enterprise Vault

Issue
When you try to set ‘Archive Usage Limit’ for a user from VAC, if the value is above 16Gb, you will get error ‘Enter and integer between 0 and 16000’,

Solution
Its by design and you have to apply the solution via SQL

1. Open SQL Management Studio and connect the SQL server where you have Directory database hosted.
2. Right click and select “New Query” and type below query and click on ‘Execute’ . Please change the sections marked in yellow according to your environment. In this example the size is 30GB and name of archive is C Prajeesh.
use enterprisevaultdirectory
update archive
set archivelimitsize = 30720000
where archivename = 'C Prajeesh'
3. Go VAC and confirm that the size is set properly.