Hi Chityala Shailaja,
You can refer this link also for complete details on system and client settings. There is no such limitation as far as I know. So BASIS people should be contacted for this.
http://help.sap.com/saphelp_46c/helpdata/en/2e/d9530294f911d283d40000e829fbbd/content.htm
Regards,
Shahir Mirza