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Resolving Error ORA-12170: TNS:Connect timeout occurred (Doc ID 3059739.1)

Last updated on NOVEMBER 25, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A to N/A [Release N/A]
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A to N/A
Gen 2 Exadata Cloud at Customer - Version N/A to N/A [Release All Releases]
Information in this document applies to any platform.

Symptoms

Oracle databases are widely used across various applications, and connectivity issues can often arise during database interactions. One common error users may encounter is ORA-12170: TNS: Connect timeout occurred. This error typically indicates that a connection to the Oracle database could not be established within the specified time limit.

Cause

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In this Document
Symptoms
Cause
Solution
References


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