ora-12520.ora-code.net

ora-12520: TNS:listener could not find available handler for requested type of server

Cause: None of the known and available service handlers for requested type of server (dedicated or shared) are appropriate for the client connection.
Action: Run "lsnrctl services" to ensure that the instance(s) have registered with the listener and that the appropriate handlers are accepting connections.

TNS:el listener no ha encontrado ningún manejador disponible para el tipo de servidor solicitado
TNS : le processus d'écoute n'a pas pu trouver de gestionnaire disponible pour le type de serveur requis
TNS: Listener konnte keinen verfügbaren Handler für angeforderten Server-Typ finden
TNS:o listener não conseguiu encontrar uma rotina de tratamento disponível para o tipo de servidor pedido
ora-00402