TMS zl Management and Configuration Guide ST.1.1.100430

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Virtual Private Networks
Configure a Windows XP SP2 Client for L2TP over IPsec
Figure 7-395. Windows XP—Advanced Security Settings
93. For Data encryption, ensure that Require encryption (disconnect if server
declines) is selected.
94. Select Allow these protocols.
95. Clear the Microsoft CHAP Version 2 (MS-CHAP v2) check box. If it is not
already selected, select the check box for the authentication protocol
specified in the TMS zl Module L2TP dial-in user account.
If the module allows any protocol, you can select multiple check boxes.
However, you must always clear the Microsoft CHAP Version 2 (MS-CHAP
v2) check box. The TMS zl Module does not support this setting.
96. Click OK.
97. Click OK to close the <connection name> Properties window and return to
the Connect <connection name> window.
98. For User Name, type the username specified either in a TMS zl Module
L2TP user account or on an external RADIUS server.
If the TMS zl Module attaches a specific domain name to the external
RADIUS server, make sure to include that domain name in the username
(for example, [e-mail]).