The installer can be run in silent mode also, just execute the following command:
Setup-BIS-F-*.exe /SILENT /log=”C:\Windows\Logfiles\BIS-F.log”
The complete command line switches that can be used, can you see here
One of the most complicated and critical steps in image management is the last one: sealing. The sealing process will literally make or break your image. BIS-F is a super-sealing framework that automates this step for you. It ensures a stable and resilient image, thus guaranteeing a successful deployment and satisfied end-users. And the best part: it is community driven and it is offered for free!
Dennis Span - Citrix Technology Professional (CTP)