Today, many business applications are developed following SOA principles. One of the activities required for their implementation is deployment, a complex process that usually is done by hand, being necessary to develop new tools to facilitate it. This article proposes a knowledge-based system that validates the deployment of software units on a particular environment, before executing them. The system is based on an information model and has been implemented with Drools 5.0 and as a OSGi bundle to be integrated into a deployment and configuration architecture.