In this post, you’ll learn more about the Oracle ErrorORA-06268: NETNTT: cannot read /etc/oratab with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-06268: NETNTT: cannot read /etc/oratab
Reason for the Error ORA-06268: NETNTT: cannot read /etc/oratab
The NTT two-task driver could not read configuration information from /etc/oratab.
How to fix the Error ORA-06268: NETNTT: cannot read /etc/oratab ?
You can fix this error in Oracle by following the below steps
Make sure /etc/oratab exists and is readable. This error may occur if the file is incorrectly formatted. It also may occur if the driver has run out of memory.