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+--- Thread: L2TP (/showthread.php?tid=29)
L2TP - wightsupport - 28-03-2018
On some Windows Clients L2TP won't work when behind a NAT. In order to enable this a simpole registry change is required.
Step 1: Login to as an Administrator or a member of the Administrator Group.
Step 2: Click Start | Run or Start | All Programs | Accessories | Run and type regedit.
Step 3: Locate the entry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PolicyAgent.
Step 4: Create a new DWORD (32-bit) value (Edit | New).
Step 5: Add AssumeUDPEncapsulationContextOnSendRule and save.
Step 6: Modify the new entry and change Value Data from 0 to 2.
Restart