Blackberry Enterprise Server 4.1 Manuale di amministrazione - Pagina 24

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Administration Guide

Preventing wireless software upgrades based on the network connection type

You can prevent BlackBerry® devices from starting or completing approved software upgrades over specific types of network
connections. You might choose to place restrictions for the following reasons:
•
conserve network bandwith
•
prevent added cost of network usage
•
make sure wireless software upgrades occur over only those network connections that you consider to be efficient and
reliable
•
increase security

Upgrading software over a serial bypass connection

An enterprise Wi-Fi® network and an environment that includes a remote BlackBerry® Router in a DMZ are designed to
bypass the BlackBerry® Infrastructure.
You can allow BlackBerry device users to download software upgrade packages over a Wi-Fi connection under the following
conditions:
•
your organization's environment is designed to bypass the BlackBerry Infrastructure .
•
you have the appropriate administrative role and permission on the BlackBerry® Enterprise Server
After the BlackBerry Infrastructure sends the software upgrade package to the BlackBerry Enterprise Server, the BlackBerry
Enterprise Server sends the software upgrade request to the BlackBerry devices over the wireless network.
To perform the wireless software upgrade over a serial bypass connection, the users must connect their BlackBerry devices
to computers running the BlackBerry® Device Manager.
Prevent BlackBerry device users from downloading software upgrade packages over a Wi-Fi
connection
1.
In the BlackBerry® Manager, in the left pane, click BlackBerry Domain.
2.
On the Global tab, click Edit Properties.
3.
Click IT Policy.
4.
In the IT Policy Administration section, double-click IT Policies.
5.
Click an IT policy.
6.
Click Properties.
7.
Click Wireless Software Upgrades Policy Group.
8.
Set the Disallow Patch Download Over WiFi IT policy rule to True.
22
Restricting wireless software upgrades