# Configure OAuth Authentication

This section describes how to configure OAuth authentication, so that the connector can retrieve information from Microsoft Teams.

NOTE: There is no need to complete this procedure if you ran the OAuth configuration tool during the installation procedure.

To configure OAuth authentication

1. Open the folder where you installed the connector.
2. Open the file `oauth_tool.cfg` in a text editor.

3. In the `[Default]` section, specify any SSL or proxy settings required to access the repository:

   `SSLMethod` | The version of SSL/TLS to use.
   `ProxyHost` | The host name or IP address of the proxy server that the connector must use.
   `ProxyPort` | The port of the proxy server that the connector must use.

   For example:

       SSLMethod=NEGOTIATE
       ProxyHost=10.0.0.1
       ProxyPort=8080

4. In the `[OAuthTool]` section, set the following parameters:

   `AppKey` | The application key you obtained when you created the application to represent the connector (see Create an OAuth Application).
   `AppSecret` | The application secret you obtained when you created the application to represent the connector.

5. Save and close the file.

6. Open a command-line window and run `oauth_tool.exe`.

   Your default web browser opens to the Microsoft web site.

7. Authorize the application to access the repository. You must use the username and password of an account that has permission to view everything that you want to ingest (such as an administrator account).

   Microsoft provides the OAuth tokens, and the OAuth configuration tool creates a file named `oauth.cfg`. This contains the parameters that the connector requires to authenticate. These parameters are automatically included in the connector configuration file, because the connector configuration file includes the following line to import the parameters into the task configuration section:

       [MyTask1] < "oauth.cfg" [OAUTH]

   For more information about including parameters from another file, see Include an External Configuration File. The OAuth tool also prints the parameters it has set to the command-line window so that you can set these directly in the connector's configuration file if you prefer.

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