OS Authentication in Windows

conn system/manager@demo
set linesize 10000
select * from v$system_parameter
where name like 'remote%' or
name like '%prefix%' order by name;
set linesize 100

drop user "MYDOMAIN\USRTEST";
create user "MYDOMAIN\USRTEST" identified externally;
grant connect to "MYDOMAIN\USRTEST";
conn /@DEMO