How to fix the Oracle error PCB-00550: Unable to log on to ORACLE with “string”. ORACLE error number: number?

In this post, you’ll learn more about the Oracle ErrorPCB-00550: Unable to log on to ORACLE with “string”. ORACLE error number: number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCB-00550: Unable to log on to ORACLE with “string”. ORACLE error number: number

Reason for the Error PCB-00550: Unable to log on to ORACLE with “string”. ORACLE error number: number

Cause: The precompiler was unable to log on to ORACLE with the specified username and password. An ORACLE error with given number occurred when the logon was attempted.

How to fix the Error PCB-00550: Unable to log on to ORACLE with “string”. ORACLE error number: number ?

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

Action: .