These steps require an internal DHCP server to be in use.
1. Open the ISA Server Management Console and select Virtual Private Networks (VPN)
from the Scope pane.
2. Select the VPN Clients tab in the Details pane.
3. Select Define Address Assignments from the Tasks pane.
4. Select the Dynamic Host Configuration Protocol (DHCP) radio button.
5. From the drop-down list, select the interface from which the DHCP server can be
reached, as shown in Figure 9.5. Usually this is the internal network interface.
6. Select the Advanced button and review the DHCP-provided DNS and/or WINS
settings. This option is helpful if the DNS or WINS addresses provided by the DHCP
server are not accessible to VPN users.
7. Select the OK button to close the window.
8. Select the Apply button to apply the new configuration.
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Enabling VPN Functionality in ISA Server
FIGURE 9.5 Setting up DHCP for VPN clients.
Enabling Client VPN Access from the Console
After the network relationships have been established and the IP address assignments have
been defined, the ISA server needs to be configured to support VPN connections. The
following procedure can be used to enable ISA VPN functionality.
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