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TIBCO iProcess® Engine 11.10.0

# Disabling Oracle Authentication Services

## Status

If you are... | This task ...
Installing a new iProcess Engine Version 11.10.0 | Possibly required
Upgrading from an iProcess Engine Version 11.0 or later | Possibly required

## Database

Oracle

## Description

If you are installing the iProcess Engine in an Active Directory environment, you must disable Oracle authentication services. If you do not do this, the following error occurs when it attempts to connect to the Oracle database:

``TNS-12638 Credential retrieval failed``

Note | If you are not using Active Directory you do not need to do this.

## Procedure

To disable authentication services, set the following parameter in the Oracle `sqlnet.ora` configuration file:

``SQLNET.AUTHENTICATION_SERVICES=none``

Note | By default, the `sqlnet.ora` file is located in the `ORACLE_HOME``\network\admin` directory, or in the directory specified by the `TNS_ADMIN` environment variable.

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