How to fix the Oracle error ORA-06974: X.25 Driver: SID lookup failure?

In this post, you’ll learn more about the Oracle ErrorORA-06974: X.25 Driver: SID lookup failure with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06974: X.25 Driver: SID lookup failure

Reason for the Error ORA-06974: X.25 Driver: SID lookup failure

From the remote host’s SQL*Net X.25 server: the database SID, specified in the login (connect) string, was not recognized.

How to fix the Error ORA-06974: X.25 Driver: SID lookup failure ?

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

Add the appropriate SID entry to the CONFIG.ORA file on the remote host (and restart the SQL*Net X.25 server).