One of the first steps before publishing is to analyze the geoprocessing package, web tool or geoprocessing service. This process looks for issues that will prevent the tool from being published. Information on the data and tools used within and potential solutions will be offered. Some analyzer errors can only be resolved by modifying the tools or data that comprise your tool. Other messages and warnings provide guidance and best practices. After critical errors and warnings have been addressed and the settings of the service have been configured, the web tool can be published. The following topics offer help on particular analyzer errors and warnings.