yes, need set SQLNET.AUTHENTICATION_SERVICES = (NTS) all method works fine. either sqlplus sys as sysdba or sqlplus "/ as sysdba" works fine. Thanks a lot. On Wed, Feb 25, 2009 at 9:59 PM, Niall Litchfield < niall.litchfield@xxxxxxxxx> wrote: > You will need to leave the sqlnet.authentication_services=(nts) line > in the sqlnet profile to use os authentication. > > On 2/25/09, bao jiejie <baojiejie@xxxxxxxxx> wrote: > > Thanks my friend, now i can go through > > by; > > comment all lines in sqlnet.ora > > set oracle_sid=XXXX > > sqlplus sys as sysdba > >>input the sys password > > then login > > > > i will try sqlplus "/ as sysdba" tomorrow , need i restart the service > from > > service manager for it? > > > > Thanks a lot! > > > > On Wed, Feb 25, 2009 at 7:22 PM, Yechiel Adar <adar666@xxxxxxxxxxxx> > wrote: > > > >> In windows you open a command prompt by: > >> start=>run=>cmd > >> in the windows that opens do: > >> set oracle_sid=xxxxx > >> then > >> sqlplus "/ as sysdba" > >> > >> and you are in. > >> > >> Adar Yechiel > >> Rechovot, Israel > >> > >> > >> > >> bao jiejie wrote: > >> > >> Dear all, > >> > >> I get an old db from someone who left the company. > >> It is Oracle 10g R2 , but i do not have sys or system password, i have > >> administrator privilege to that windows 2003 server where oracle > locates. > >> > >> I can not do like Solaris > >> export ORACLE_SID=XXX > >> sqlplus / as sysdba to change sys or system password > >> > >> What can I do on a Windows platform? > >> I tried > >> ORAPWD file=XXX.dat password=manage > >> > >> but seems can not work > >> Any one can help me ?? > >> > >> Thanks a lot. > >> > >> > >> > >> -- > >> > >> ("'-''-/").___..--''"'-._ > >> '7_ 7 ) '_. ( ).'-.__.') > >> (_Y_.) ._ ) '._ '. ''-..-' > >> _.'--'_..-_/ /--'_.' ,' > >> (il),-'' (li),' ((!.-' > >> > >> Best regards, > >> Yours sincerely House > >> baojiejie@xxxxxxxxx > >> > >> > >> > > > > > > -- > > > > ("'-''-/").___..--''"'-._ > > '7_ 7 ) '_. ( ).'-.__.') > > (_Y_.) ._ ) '._ '. ''-..-' > > _.'--'_..-_/ /--'_.' ,' > > (il),-'' (li),' ((!.-' > > > > Best regards, > > Yours sincerely House > > baojiejie@xxxxxxxxx > > > > -- > Sent from Google Mail for mobile | mobile.google.com > > Niall Litchfield > Oracle DBA > http://www.orawin.info > -- ("'-''-/").___..--''"'-._ '7_ 7 ) '_. ( ).'-.__.') (_Y_.) ._ ) '._ '. ''-..-' _.'--'_..-_/ /--'_.' ,' (il),-'' (li),' ((!.-' Best regards, Yours sincerely House baojiejie@xxxxxxxxx