L2TP VPN doesn't work due to problem with Shared Secret

Originator:pepi.zawodsky
Number:rdar://15439299 Date Originated:11-Nov-2013 08:27 PM
Status:Open Resolved:
Product:OS X Product Version:10.9 13A603
Classification:Serious Bug Reproducible:Always
 
Summary:
L2TP VPN doesn't work due to missing Shared Secret

Steps to Reproduce:
Create a new L2TP VPN Interface in System Preferences > Network
Enter connection credentials, hostname, username, password and L2TP Shared secret. Appy settings to save them.
Try to connect.

Expected Results:
VPN should connect successfully.

Actual Results:
L2TP asks for a password (sometimes) even though it is correctly entered in the preferences.
When trying to connect OS X is unable to connect and complains about a missing shared secret. Even though it was correctly entered in preferences, saved and is availablee in the keychain.

Regression:
Tested against an OS X Server 10.8.5 with L2TP over IPSec VPN. The VPN server is correctly reachable from other devices like iOS 5.x, 6.x, 7.x and  OS X 10.8.5.

Notes:
This problem has not occurred before 10.9

Comments


Please note: Reports posted here will not necessarily be seen by Apple. All problems should be submitted at bugreport.apple.com before they are posted here. Please only post information for Radars that you have filed yourself, and please do not include Apple confidential information in your posts. Thank you!