Feedback

Feedback

Did this article resolve your question/issue?

   

Article

Can't connect to Oracle when specifying the tnsnames file as a connection parameter.

Printable View

Information

 
TitleCan't connect to Oracle when specifying the tnsnames file as a connection parameter.
URL NameCan-t-connect-to-Oracle-when-specifying-the-tnsnames-file-as-a-connection-parameter
Article Number000113789
EnvironmentProduct: Connect for ADO.Net Oracle provider
Version: 4.3
OS: Windows
Database: Oracle
Application: All supported applications
Question/Problem Description
Can't connect to Oracle with the Connect for ADO.Net Oracle provider when specifying the tnsnames file as a connection parameter.
Steps to Reproduce
Clarifying Information
The Oracle client is installed.
The registry key HKLM\SOFTWARE\ORACLE\KEY_OraClientxxHome, string value for ORACLE_HOME is set corrctly.
The parameter for the ORACLE_HOME environment variable is at the beginning of the PATH environment variable. 
 
Error Message
Defect Number
Enhancement Number
Cause
The provider parses the PATH environment variable to get the installed version of the Oracle client (OCI) software so it knows what registry path should be searched. Once it gets the Path to the registry key, it reads the value of “ORACLE_HOME” property and then browse $ORACLE_HOME$\network\admin\tnsnames.ora to get the value tnsnames.ora file.
If there is no relevant entry in PATH, the provider searches the default path of “HKLM\SOFTWARE\ORACLE\KEY_OraClientxxHome”. 

In this instance there was a Windows permission issue not allowing the application to read the Oracle registry key.
Resolution
Make certain the application has rights to access the Oracle registry keys and the folder containing the tnsnames.ora file.
Workaround
Notes
Last Modified Date7/19/2019 1:51 PM
Files
Disclaimer The origins of the information on this site may be internal or external to Progress Software Corporation (“Progress”). Progress Software Corporation makes all reasonable efforts to verify this information. However, the information provided is for your information only. Progress Software Corporation makes no explicit or implied claims to the validity of this information.

Any sample code provided on this site is not supported under any Progress support program or service. The sample code is provided on an "AS IS" basis. Progress makes no warranties, express or implied, and disclaims all implied warranties including, without limitation, the implied warranties of merchantability or of fitness for a particular purpose. The entire risk arising out of the use or performance of the sample code is borne by the user. In no event shall Progress, its employees, or anyone else involved in the creation, production, or delivery of the code be liable for any damages whatsoever (including, without limitation, damages for loss of business profits, business interruption, loss of business information, or other pecuniary loss) arising out of the use of or inability to use the sample code, even if Progress has been advised of the possibility of such damages.


Copyright © 2022 Progress Software Corporation and/or its subsidiaries or affiliates.
All Rights Reserved.

Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. See Trademarks for appropriate markings.

Terms of Use Privacy Center Security Center Trademarks License Agreements Code of Conduct Careers Offices
Do Not Sell My Personal Information