VPN connection: An unexpected error has occurred.

I am suddenly unable to get my built-in VPN connection works on my iMac with OS X 10.11.5.  I get the VPN connection message: an unexpected error has occurred.  I have been using this VPN configuration to connect to work for several months with success.

But last week (and I do not know if it had nothing to do with it), I went on vacation and used a free wi - fi setup of Tim Hortons.  I had a LOT of trouble getting the next login page, and I checked all playing with different settings of network without success.  When a change did not work, I put it to its original setting.  Finally, I learned to use Safari to access the free WiFi connection page of Tim.  Then once connected, everything was OK.

But when I returned a week later and if necessary, to start my VPN connection to access the work, it wouldn't start.  I checked and recheck all my settings preferably of different network, but did not find those who were wrong.  I even deleted and re-entered my VPN service definition without solving the problem.

Thinking that the problem could be the newly installed ISP of Bell equipment (we went from Rogers while I was away), I used my BlackBerry smartphone (issued by my employer) to create a wi - fi hotspot and accessed to the internet using this connection which completely ignored my home ISP equipment.  But still, I was unable to establish a VPN connection.

I then tried my iPad VPN connection, and it worked!  Then, I defined a VPN service on the iMac to my wife and the iMac to my daughter and was able to successfully establish a VPN connection to my work very well, using exactly the same VPN configuration.  This led me to the conclusion, it was a problem on my iMac (and not with my new ISP or VPN system of my work that had none of the changes you made), but I still can't find what is "broken".  I run Onyx for my iMac OS X 10.11.5 and repaired permissions and clean the cache and all the rest she is doing to "solve" problems.  But the problem persisted.

Is there a preference file corrupted somewhere (scan option is no longer on the current version of the Onyx for a reason any)?

I still have a network setting wrong somewhere I need to go back to the system is correct value?

Here is the attempt to VPN from the file system.log (with some hidden values in the case where they display my work VPN access):

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: NESMLegacySession [VPN works: 295091E5-xxxx-4B6A-xxxx-F7A7xxxxxxAA]: received an order to start SystemUIServer [257]

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: NESMLegacySession [VPN works: 295091E5-xxxx-4B6A-xxxx-F7A7xxxxxxAA]: changed to connecting status

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: IPSec connection to server nnn.nnn.n.n

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: phase 1 of the IPSec from.

26 June at 16:13:48 Myrons-iMac raccoon [520]: agreed to the takeover of vpn connection.

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: IPSec connection to server nnn.nnn.n.n

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: connection.

26 June at 16:13:48 Myrons-iMac raccoon [520]: IPSec Phase 1 started (initiated by me).

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: bind 1 (cannot assign requested address)

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: sendfromto failed

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: Phase 1 negotiation failed due to the error of sending. 94437eb7d5b1b6e8:0000000000000000

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: can not send packets

26 June at 16:13:48 - last message repeated 1 time-

26 June at 16:13:48 Myrons-iMac raccoon [520]: IKE Packet: send failed. (Initiator, aggressive Mode 1 Message).

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: Controller IPSec: IKE FAILED. Phase 1, assert 0

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: NESMLegacySession [VPN works: 295091E5-xxxx-4B6A-xxxx-F7A7xxxxxxAA]: status changed by disconnecting

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: IPSec disconnection from the server 142.201.5.6

26 June at 16:13:48 Myrons-iMac raccoon [520]: IPSec disconnection from the server nnn.nnn.n.n

26 June at 16:13:48 - last message repeated 3 times-

26 June at 16:13:48 Myrons-iMac nesessionmanager [439]: NESMLegacySession [VPN works: 295091E5-xxxx-4B6A-xxxx-F7A7xxxxxxAA]: status changed to offline, terminus right no

Any help or insight would be more useful and appreciated... so that I can work from home again.

Thank you

Myron VanderLaan

I finally found my VPN problem.

There is a 'racoon' file that is generated when I connect to the VPN to my work site.

I have created a modified version of this file so that my connection does not expire in 3600 seconds (changed in 24 hours).

Apparently, there are some slightly different settings (such as certain IP addresses other than VPN IP of my work) in this file under our new ISP Bell from the former FAI Rogers.

And if I connect to the WiFi Hotspot from my BlackBerry, it does not once again because these settings in the file are different again.  I must return the file generated instead of my modified file.

Bad luck!

Tags: Mac

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