TNS-12546: TNS:permission denied


Sometimes You can get ” TNS-12546: TNS:permission denied  ” error.


Details of error are as follows.

TNS-12546: TNS:permission denied
Cause: User has insufficient privileges to perform the requested operation.
Action: Acquire necessary privileges and try again.



This error is related with the incompatible operating system and the Oracle software version, and this error is got when running 32 bit oracle database on 64 bit windows operating system.


To solve this error, If you use 32 bit windows operating system, then install Oracle 32 bit database.

Or If you use 64 bit windows operating system, then install Oracle 64 bit database.


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


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 [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

Leave a Reply

Your email address will not be published. Required fields are marked *