TMS zl Management and Configuration Guide ST.1.1.100430

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Troubleshooting
Troubleshooting the TMS zl Module in Routing Mode
Figure 10-16. Windows XP—Advanced Security Settings
j. For Data encryption, ensure that Require encryption (disconnect if server
declines) is selected.
k. Select Allow these protocols.
l. Select the check box for the authentication protocol that is configured
on the module. Clear all other check boxes. Even if the module
specifies Any for the authentication protocol, you must clear the
Microsoft CHAP Version 2 (MS-CHAP v2) check box because the module
does not support this protocol.
2. Verify that you are entering the correct username and password for an
L2TP dial-in user. The username and password must match those that you
noted in the previous step.