a whether or not a particular upgrade package corresponds to a resource on the server and b whether or not the version number of the upgrade package matches the version number of the corresponding network resource i e whether or not the upgrade package represents a true upgrade for the existing network resource if the upgrade applies to a resource on the server and if the upgraded and current versions of the network resource do not match the upgrade advisor 11 uses additional information from the upgrade database 9 to analyze the level of severity of the upgrade i e to determine the importance of the upgrade to the efficient operation of the server the upgrade advisor is described in more detail below referring also to fig2 through 4 the upgrade database may also contain information about a resource e g a driver which is not recognized by the server manager in this situation the upgrade advisor places information about the resource e g name version number into a driver table 32 in the mib 5 an agent 21 of the server manager located in the server uses this information to search for the resource i e to see if the resource has been installed on the network if so the server manager creates.