How to fix the Oracle error ORA-06756: TLI Driver: cannot open oratab?

In this post, you’ll learn more about the Oracle ErrorORA-06756: TLI Driver: cannot open oratab with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06756: TLI Driver: cannot open oratab

Reason for the Error ORA-06756: TLI Driver: cannot open oratab

The TLI server could not open the file used to define the locations of remotely accessible databases.

How to fix the Error ORA-06756: TLI Driver: cannot open oratab ?

You can fix this error in Oracle by following the below steps

Ask your system administrator to check that the file exists and has the correct permissions.