You can back up an Index Server on demand. For scheduled backups, the server plan that you selected for the Index Server manages the schedule.
Before You Begin
On the Index Server properties page, verify that there is a server backup plan associated with the Index Server.
From the navigation pane, go to Manage > Infrastructure.
The Infrastructure page appears.
Click the Index servers tile.
The Index servers page appears.
In the Name column, click the Index Server.
The Index Server properties page appears.
On the Overview tab, in the upper-right corner of the page, click Backup.
The Select backup level dialog box appears.