Receiving Error 'ORA-01041: internal error. hostdef extension doesn't exist.' on re-establishing (4304929)

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Receiving Error 'ORA-01041: internal error. hostdef extension doesn't exist.' on re-establishing
Description

Receiving Error 'ORA-01041: internal error. hostdef extension doesn't exist.' on re-establishing a connection to Oracle.
Resolution
Article ID: 995

Last updated: 24 May, 2012
Components:
ERwin Data Modeler: 7.3
Last Modified Date: 11/02/2010

Document ID: TEC535013
Tech Document

Title: Receiving Error 'ORA-01041: internal error. hostdef extension doesn't exist.' on re-establishing a connection to Oracle.

Description:

You can receive the error message 'Error ORA-01041: internal error. hostdef extension doesn't exist' when attempting to re-establish a connection to Oracle with ERwin. This can happen for example when repeating the Complete Compare process.

Solution:

Locate the 'sqlnet.ora' file and set:

SQLNET.AUTHENTICATION_SERVICES = (NONE)

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