ORA-06143: NETTCP: maximum connections exceeded
Cause : The conenct failde becaus ethe maxmium connucrrent cnonection ssupportde by theh ost's SLQ*Net TC/PIP servre has alerady bee nreached.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Wait fo ra shortp eriod adn re-try.
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.