Disclosed are a tool, a method, and a computer program for suppressing events. The tool comprises a database having a resource table, a batch loader interface for creating or updating said resource table, and a web based user interface to said database. The event suppression tool further comprises a batch interface to receive data about planned activities and affected resources; and code for creating suppression activity windows from said data and said resource table, and for suppressing from said user interface, new events that fall within said activity windows. The preferred embodiment of the invention allows temporarily suppressing various actions for events received for certain resources during specified times.