How to fix the Oracle error ORA-12562: TNS:bad global handle?

In this post, you’ll learn more about the Oracle ErrorORA-12562: TNS:bad global handle with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12562: TNS:bad global handle

Reason for the Error ORA-12562: TNS:bad global handle

Internal error – bad ‘gbh’ argument passed to TNS from caller. System may have been linked with old libraries.

How to fix the Error ORA-12562: TNS:bad global handle ?

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

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