ORA-12537 TNS: Connection Closed

SQL Optimizer SQL Optimizer for Oracle
1

This error occurred while retrieving RMAN Backup

ORA-12537 TNS: Connection Closed how to solve ths error in databse

2

Hi,

Would you please provide more information about this problem if it is related to SQL Optimizer for Oracle? Your steps to reproduce the problem and the actual vs expected result would be very helpful for us to understand the question better.

Thanks,
Alex

3

IMHO, almost always, this error is related to some firewall problems.