Business Notification Server error in Event Viewer

Hi There,

Our client is using SQL database and have not installed Business Notification Server yet, but still generating following error in Event Viewer. This is error msg is logged almost everyday and many times during a day. However, doesn’t affect any of the users, though.[:O]

“Connection property BN_PublishRetryTime_0 has not been set!Please make sure that you have properly installed Business Notification Server.”

Have you noticed this error msg? How to resolve this error msg?