Symantec endpoint not updating virus definitions

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.

You can then test the engine content before you roll out the content to your production environment.

See Testing engine updates before they release on Windows clients.

Note: If SEPM v.14 has been is upgraded from version 12.1.x.x, the default configuration is to include all these types.

To mitigate the effect of downloads on client computers' performance, you can have the client computers download content updates when the client computers are idle.

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.

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.

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