My Oracle Support Banner

Ora-12514 Errors - Cannot Connect to the Oracle Instance Locally On Server (Doc ID 332493.1)

Last updated on JANUARY 13, 2020

Applies to:

Oracle Net Services - Version to [Release 8.1.7 to 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.


@Checked for relevance on 15-Nov-2007

You cannot connect to an Oracle Database running on Windows 2000 Server after the
machine was restarted.

ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect descriptor

Verified the issue by the script output provided in TAR text showing the connection attempt
using 'connect / as sysdba' fails with the ORA-12514 error message.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.