Hi tamang,
Confirming the above: those (SEP 12.1.6 Reduced-Size Client only) definitions are only to be used on XPE, POS, etc. Don't use them on the typical SEP clients. If you do there will be a lot of bandwidth consumed, afterward, as SEPM and clients get back to their correct definitions.
About reduced-size client installation packages
Article URL: http://www.symantec.com/docs/HOWTO111070
Please do update this thread with any additional questions or do mark it solved if you have received your answer, for the benefit of future admins with the same query.
With thanks and best regards,
Mick