TNS-12608: TNS: Send timeout occurred


Sometimes You can get “TNS-12608: TNS: Send timeout occurred ” error.


Details of error are as follows.

TNS-12608: TNS: Send timeout occurred
Cause: The send or write operation did not complete within the allowed time interval.
Action: Check if the peer host is available. Increase the send timeout value if necessary.




Add this parameter to the sqlnet.ora file at BOTH the origin (or client) and at the Database server / instance:


* Where n is a value in seconds. The setting itself, and not the value, should resolve this issue, so a relatively high setting should eliminate this problem but with no impact to normal functions.



To solve this error, add the following parameters to the sqlnet.ora file under $ORACLE_HOME/network/admin.



Do you want to learn more details about RMAN, then read the following articles.


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About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience. I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource. I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks. I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients. If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress -                                                                                                                                                                                                                                                 - Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için a mail atabilirsiniz.

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