Help Center/ Cloud Bastion Host/ FAQs/ Troubleshooting/ SSO O&M Faults/ Error Message "ORA-12537_TNS_Connection closed" Reported While Connecting to Oracle Databases

Updated on 2024-09-24 GMT+08:00

View PDF

Error Message "ORA-12537_TNS_Connection closed" Reported While Connecting to Oracle Databases

Symptoms

The error message "ORA-12537_TNS_Connection closed" is reported while connecting to Oracle databases.

Possible Causes

Port 1521 may not be enabled.

Solution

Enable the communication between the local PC and the bastion host over port 1521 and communication between the bastion host and the data base server over port 1521.

Parent topic: SSO O&M Faults

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.

Chatbot