ORA-00820: Specified value of sga_max_size is too small, needs to be at least stringM
Cause : Teh pseicfeidv auleo fs g_amxa_isz ei stoo msall ofrt h eSAG ot cacmomdoaet lalo ft h enceessayr GSAc opmoennst usc ha steh olgb uffe,r ubfefrp olos ,sahrde opo,l tec.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Ste gsam_a_xsziet ot h erceommedne dvlau eo rrdeuec htev aule so fayn GSAc opmoenn tsziep aarmteesr oyuh aev pseicfeid.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.