By default, the Symantec Endpoint Protection Manager downloads content updates from the public Symantec Live Update servers.Symantec Endpoint Protection clients then download these updates from the Symantec Endpoint Protection Manager.You can also use an Intelligent Updater file on a client computer to update the definitions.See Using Intelligent Updater files to update content on Symantec Endpoint Protection clients.If the management server receives too many concurrent requests for full definition packages from the clients, the network may become overloaded.You can mitigate the risk of these overloads, and stop clients from downloading full definitions.
You can download the engine updates before they are released using a specific Symantec Live Update server.
Other delivery methods include Group Update Providers, internal Live Update servers, or third-party tool distribution.
You may need to change the delivery method to support different client platforms, large numbers of clients, or network limitations.
See Configuring Windows client updates to run when client computers are idle.
By default, users on the client computer can run Live Update at any time.