26, and
click OK.
4. In the Tasks tab of the Task Pane, click the Enable VPN Client Access button.
5. Click the Apply button on the top of the Details pane.
6. Click OK when the success dialog box is displayed.
FIGURE 3.26 Enabling VPN client access.
94 CHAPTER 3 Exploring ISA Server 2006 Tools and Concepts
NOTE
The VPN functionality of ISA Server relies on the Routing and Remote Access Service
of Windows Server 2003, and requires it to be started for VPN clients to be able to
connect. If a Security Policy is in place to disable this service, it will create problems
with VPNs, so it is subsequently important to validate that RRAS functionality is
enabled if the ISA server will need to process VPN requests.
After VPN client access has been granted, the VPN client settings can be configured by
clicking on the Configure VPN Client Access link in the Tasks pane. This link invokes the
VPN Clients Properties dialog box, shown in Figure 3.27, where the following settings can
be configured:
. Maximum number of VPN clients allowed??”The default is 100, but it can be throttled
based on the server??™s capacity.
. The specific Active Directory groups that can be granted remote access??”This
option is relevant only if the server is a member of an AD domain.
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