ORA-12571 : TNS:Packet writer failure
516871Jun 6 2006 — edited Jun 19 2006urgent request
i ahve a database10G R2 i'm already install it and configration services
it's work fine and i can log on to database SQL
and i have oracle developer6I not accepted connect to database
and back this message ORA-12571 : TNS:Packet writer failure
manual and wizard configration
any body can help me to solve this problem
thanks in advance for all