You can change the SQL Server that Enterprise Vault uses for the FSA Reporting database.
To specify a different SQL Server for the FSA Reporting database
In the Administration Console, expand the Enterprise Vault site until the Targets container is visible.
Right-click the File Servers container and, on the shortcut menu, click Properties.
On the Reporting Database tab, enter the new details for the SQL Server.
Click OK to save your changes and close the Properties dialog.