How to fix the Oracle error ORA-06791: TLI Driver: poll returned error event?

In this post, you’ll learn more about the Oracle ErrorORA-06791: TLI Driver: poll returned error event with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06791: TLI Driver: poll returned error event

Reason for the Error ORA-06791: TLI Driver: poll returned error event

TLI received an unexpected event while polling the communication channel for possible incoming messages.

How to fix the Error ORA-06791: TLI Driver: poll returned error event ?

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

Contact your customer support representative.