TMS zl Management and Configuration Guide ST.1.2.100916

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Virtual Private Networks
Configure a Windows Vista Client for L2TP over IPsec
Figure 7-401. Registry Editor — Modify ProhibitIpSec
7. In the Edit DWORD (32-bit) Value window, type 1 in the Value data box and
click OK.
Figure 7-402. Edit DWORD (32-bit) Value
8. Close the registry editor and restart the computer.
9. Click Start > Run.
10. Type secpol.msc and click OK.
11. Click IP Security Policies on Local Computer in the left pane.