Apple Configurator 2 VPN/L2TP Missing Shared Secret Field

Question

Created May ’20

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It appears that with the latest update to AC2 (v 2.12.1 (4A20)) that when you configure a VPN Payload for L2TP and selected "Shared Secret" for Machine Authentication, there is no longer a field to enter said Shared Secret. Anyone else see something I am missing?

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Answer 1

amateurparticipant OP

May ’20

No, I see the same issue with Apple Configurator 2 (2.12.1) on mulitple machines. My workaround is to use Apple Configurator (2.11.1) on a Mojave volume.

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Answer 2

MacLeoBerlin OP

Aug ’20

I have the same problem. It seems apple has a problem. I hope they are fixing it soon

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Answer 3

mechanism256 OP

Aug ’20

Use any online tool (like base64encode.net to encode your Shared Secret into Base64 format)
Just open config file in any text editor and add the fields:
<key>PPP</key>
<dict>
... your current l2tp config...
</dict>
<key>IPSec</key>
<dict>
<key>AuthenticationMethod</key>
<string>SharedSecret</string>
<key>PromptForVPNPIN</key>
<false/>
<key>OnDemandEnabled</key>
<integer>0</integer>
<key>SharedSecret</key>
<data> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! PAST YOUR ENCODED SHARED SECRET HERE !!!!!!!!!!!!!!!!!!!! </data>
</dict>

Save, send to your device.

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