How to fix the Oracle error ORA-09300: osncon: unable to connect, DPMI not available?

In this post, you’ll learn more about the Oracle ErrorORA-09300: osncon: unable to connect, DPMI not available with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-09300: osncon: unable to connect, DPMI not available

Reason for the Error ORA-09300: osncon: unable to connect, DPMI not available

Unable to detect the presence of DPMI

How to fix the Error ORA-09300: osncon: unable to connect, DPMI not available ?

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

Restart Windows and retry

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