please let me know how to take backup of BOXI 4.1 SP5 .
Please see the links below for backup strategies and best practices:
BI 4.1: best practise for backup-strategies | SCN
1275068 - Backup and restore of filestore and CMS database of a BusinessObjects Enterprise XI 3.x/BI 4.0 system
1927029 - How to create a backup of SAP BusinessObjects Business Intelligence 4.0/4.1 system using Promotion Management / LifeCycle Manager
I've marked this thread as assumed answered.
Let me know if the links provided have answered your questions.