Important: Back up the swupd.conf file before editing it.

For information about editing configuration files in OS X Server, see this article.

For the Software Update Server in OS X Server

1. Turn off the Software Update Server in Server.app.
2. Navigate to /Library/Server/Software\ Update/Config/.
3. Open the swupd.conf file.
4. Add the directive "TraceEnable off" to the end of the "Global Environment" section of the file.
5. Save the file as plain text.
6. Start the Software update Server.

For the Software Update Server in Lion Server and Mac OS X Server 10.6.x

1. Turn off the Software Update Server in Server.app or Server Admin.
2. Navigate to /private/etc/swupd/.
3. Open the swupd.conf file in a text editor
4. Add the directive "TraceEnable off" to the end of the "Global Environment" section of the file.
5. Save the file as plain text.
6. Start the Software update Server.