TOAD :ORA-12170 when trying to connect using TOA

Posted on by Osama Mustafa in Database

The following error appeared when you are trying to conenct to database using toad applicaion: –

 

1.png

Make sure of the following :-

  • Database is up and running
  • Listener is up and database is registered using.

lsnrctl status

if the above steps is done and still facing the same issue then do the following :-

  • Right Click on my computer and choose properties.
  • Advance system settings.
  • Environment Variable.

check the below entry is exsits, if not add it by press on new and follow the same steps by adding TNS_ADMIN and the location of the tnsnames.ora, sqlnet.ora into the 2nd box like the picture below.

2.png

3.png

 

Thanks

Osama

Published by Osama Mustafa

Osama considered as one of the leaders in Cloud technology, DevOps and database in the Middle-East. I have more than ten years of experience within the industry. moreover, certfied 4x AWS , 4x Azure and 6x OCI, have also obtained database certifications for multiple providers. In addition to having experience with Oracle database and Oracle products, such as middle-ware, OID, OAM and OIM, I have gained substantial knowledge with different databases. Currently, I am architecting and implementing Cloud and DevOps. On top of that, I'm providing solutions for companies that allow them to implement the solutions and to follow the best practices.

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