Mac OS X Lion VPN stopped working

Hey guys,
I've a problem with my VPN connection.
My Macbook is around 2 months old, so it came with a clean installation of OS X Lion. I configured the built-in VPN Client to connect to my parents network, it uses Cisco IPSec and everything went smooth. I didn't use it for a week or so and when I try to connect now I get an error, saying: "A configuration error occurred. Verify your settings and try reconnecting."
I have to say that I installed Little Snitch and ShrewSoft VPN for my Universities VPN. I removed both programs, but that didn't help the problem.
I'm pretty new on Macs so there is probably loads of things I haven't ever heard of/considered.
7/10/11 8:34:00.949 AM configd: IPSec connecting to server xx.dyndns.org
7/10/11 8:34:00.950 AM configd: SCNC: start, triggered by SystemUIServer, type IPSec, status 0
7/10/11 8:34:00.955 AM configd: IPSec Phase1 starting.
7/10/11 8:34:00.968 AM racoon: IPSec connecting to server xx.xx.x.172
7/10/11 8:34:00.968 AM racoon: Connecting.
7/10/11 8:34:00.968 AM racoon: IPSec Phase1 started (Initiated by me).
7/10/11 8:34:00.973 AM racoon: IKE Packet: transmit failed. (Initiator, Aggressive-Mode Message 1).
7/10/11 8:34:10.956 AM configd: IPSec disconnecting from server xx.xx.x.172
7/10/11 8:34:10.956 AM racoon: IPSec disconnecting from server xx.xx.x.172
Btw, using my girlfriend's Mac with Snow Leopard the VPN connection works, as well as on my iPod Touch (both on the same network as my own Mac) so I guess I can rule out any router-related misconfigurations. And of course I restarted my computer several times as well as deleting the VPN connection and reconfiguring it. (OS is uptodate)
I thought there might be some kind of plist file the would allow me to go tabula rasa on all network settings!? Googled it but couldn't find any working solution.
thanks for the help!

Here's an update on my problem:
Called Apple Support the other day. They basically told me that they can't help, because this is a problem of misconfiguration and that those kinda things weren't covered. Still the person on the line gave me a hint, I should look for leftovers of previously installed software in /Library/LaunchDaemons/ and /Library/LaunchAgents/ .
Well, that did the trick. In one of the folders I found "net.shrew.iked.plist". This file obvioulsy belongs to the ShrewSoft VPN client. I removed it and the built-in client works again.
I reinstalled ShrewSoft one more time to see if it works without the mentioned plist-file...needless to say it wouldn't connect anymore, but that's alright with me - for now.

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       Jul 21 23:12:03 wl0: Roamed or switched channel, reason #4, bssid f0
       Jul 21 23:13:06 WARNING: hibernate_page_list_setall skipped 2374599 xpmapped pages
       Jul 21 23:13:36 WARNING: hibernate_page_list_setall skipped 2434512 xpmapped pages
       Jul 22 10:42:53 wl0: Roamed or switched channel, reason #2, bssid f0
       Jul 22 10:43:40 CODE SIGNING: cs_invalid_page(0x124458000): p=10284[spindump] final status 0x0, allowing (remove VALID) page
       Jul 22 11:36:45 process FaceTime[10528] caught causing excessive wakeups. Observed wakeups rate (per sec): 151; Maximum permitted wakeups rate (per sec): 150; Observation period: 300 seconds; Task lifetime number of wakeups: 45035
       Jul 22 15:18:31 process FaceTime[179] caught causing excessive wakeups. Observed wakeups rate (per sec): 152; Maximum permitted wakeups rate (per sec): 150; Observation period: 300 seconds; Task lifetime number of wakeups: 45021
       Jul 22 15:45:12 wl0: Beacon Loss Event
       Jul 22 15:46:13 wl0: Roamed or switched channel, reason #4, bssid f0
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       /Library/LaunchAgents/com.divx.update.agent.plist
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       - com.google.keystone.system.agent
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       - com.maintain.Restart
       /Library/LaunchAgents/com.maintain.ShutDown.plist
       - com.maintain.ShutDown
       /Library/LaunchAgents/com.maintain.Sleep.plist
       - com.maintain.Sleep
       /Library/LaunchAgents/com.maintain.SystemEvents.plist
       - com.maintain.SystemEvents
       /Library/LaunchAgents/de.novamedia.VodafoneDeviceObserver.plist
       - de.novamedia.VodafoneDeviceObserver
       /Library/LaunchDaemons/com.adobe.fpsaud.plist
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       /Library/LaunchDaemons/com.apple.aelwriter.plist
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       /Library/LaunchDaemons/com.github.GitHub.GHInstallCLI.plist
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       Library/LaunchAgents/com.apple.FolderActions.enabled.plist
       - com.apple.FolderActions.enabled
       Library/LaunchAgents/com.apple.FolderActions.folders.plist
       - com.apple.FolderActions.folders
       Library/LaunchAgents/com.apple.SafariBookmarksSyncer.plist
       - com.apple.Safari
       Library/LaunchAgents/com.plexapp.mediaserver.plist
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       Library/LaunchAgents/com.spotify.webhelper.plist
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       Library/LaunchAgents/com.vemedio.Snowtape.RadioAgent.plist
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       /Library/StartupItems/IPSecuritasDaemon/racoon
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       /Library/StartupItems/MySQLCOM/MySQLCOM
       /Library/StartupItems/MySQLCOM/StartupParameters.plist
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       /System/Library/Extensions/cdc.kext
       - com.zte.driver.cdc_usb_bus
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       - com.zte.driver.cdc_ecm_qmi
       /System/Library/Extensions/CDSDAudioCaptureSupport.kext
       - com.deepseasoftware.driver.CDSDAudioCaptureSupport
       /System/Library/Extensions/EPSONUSBPrintClass.kext
       - com.epson.print.kext.USBPrintClass
       /System/Library/Extensions/HuaweiDataCardDriver.kext
       - com.huawei.driver.HuaweiDataCardDriver
       /System/Library/Extensions/IceraUSBMassStorageBypass.kext
       - com.novamedia.driver.IceraUSB_MSD_Bypass
       /System/Library/Extensions/LPAudioRedirector.kext
       - com.LivestreamProcaster.driver.LPAudioRedirector
       /System/Library/Extensions/NMHuaweiPhonesVTPCDC_106.kext
       - de.novamedia.oem.vodafone.vtp.huawei.cdc
       /System/Library/Extensions/NMLGEDriver_106.kext
       - de.novamedia.driver.NMLGEDriver
       /System/Library/Extensions/NMSamsungDriver_106.kext
       - de.novamedia.driver.NMSamsung
       /System/Library/Extensions/NMSmartplugSCSIDevice_106.kext
       - de.novamedia.driver.NMSmartplugSCSIDevice
       /System/Library/Extensions/NovatelWireless3G.kext
       - com.novatelwireless.driver.3G
       /System/Library/Extensions/NovatelWirelessFilter.kext
       - com.novatelwireless.driver.DisableAutoInstall
       /System/Library/Extensions/NovatelWirelessUSBCDCECMControl.kext
       - com.NovatelWireless.driver.NovatelWirelessUSBCDCECMControl
       /System/Library/Extensions/NovatelWirelessUSBCDCECMData.kext
       - com.NovatelWireless.driver.NovatelWirelessUSBCDCECMData
       /System/Library/Extensions/Option72.kext
       - com.option.driver.Option72
       /System/Library/Extensions/OptionHS.kext
       - com.option.driver.OptionHS
       /System/Library/Extensions/OptionMSD.kext
       - com.option.driver.OptionMSD
       /System/Library/Extensions/OptionQC.kext
       - com.option.driver.OptionQC
       /System/Library/Extensions/Soundflower.kext
       - com.Cycling74.driver.Soundflower
       /System/Library/Extensions/USBExpressCardCantWake_Huawei.kext
       - com.apple.dts.driver.USBExpressCardCantWake
       /System/Library/Extensions/Vodafone.kext
       - com.vodafone.driver
       /System/Library/Extensions/ZTEUSBCDCACMData.kext
       - com.ZTE.driver.ZTEUSBCDCACMData
       /System/Library/Extensions/ZTEUSBMassStorageFilter.kext
       - com.ZTE.driver.ZTEUSBMassStorageFilter
       /Library/Audio/Plug-Ins/Components/A52Codec.component
       - com.shepmater.A52Codec
       /Library/Audio/Plug-Ins/Components/Flip4Mac WMA Import.component
       - net.telestream.wmv.import
       /Library/Internet Plug-Ins/DivX Web Player.plugin
       - com.divx.DivXWebPlayer
       /Library/Internet Plug-Ins/Flash Player.plugin
       - N/A
       /Library/Internet Plug-Ins/googletalkbrowserplugin.plugin
       - com.google.googletalkbrowserplugin
       /Library/Internet Plug-Ins/JavaAppletPlugin.plugin
       - com.oracle.java.JavaAppletPlugin
       /Library/Internet Plug-Ins/o1dbrowserplugin.plugin
       - com.google.o1dbrowserplugin
       /Library/Internet Plug-Ins/OVSHelper.plugin
       - com.divx.OVSHelper
       /Library/Internet Plug-Ins/Silverlight.plugin
       - com.microsoft.SilverlightPlugin
       /Library/PreferencePanes/ADOView.prefPane
       - com.mds.prefPane.ADOView
       /Library/PreferencePanes/AirServer.prefPane
       - com.pratikkumar.airserver-prefs
       /Library/PreferencePanes/Flash Player.prefPane
       - com.adobe.flashplayerpreferences
       /Library/PreferencePanes/Flip4Mac WMV.prefPane
       - net.telestream.wmv.prefpane
       /Library/PreferencePanes/Growl.prefPane
       - com.growl.prefpanel
       /Library/PreferencePanes/MySQL.prefPane
       - com.mysql.prefpane
       /Library/PreferencePanes/Perian.prefPane
       - org.perian.PerianPane
       /Library/QuickTime/AC3MovieImport.component
       - com.cod3r.ac3movieimport
       /Library/QuickTime/DesktopVideoOut.component
       - com.apple.DesktopVideoOut
       /Library/QuickTime/DivX Decoder.component
       - com.DivXInc.DivXDecoder
       /Library/QuickTime/DivX Decoder.component/Contents/Resources
       - com.DivXInc.DivXDecoder
       /Library/QuickTime/DivX Encoder.component
       - com.DivXInc.DivXCodec
       /Library/QuickTime/FCP Uncompressed 422.component
       - N/A
       /Library/QuickTime/Flip4Mac WMV Advanced.component
       - net.telestream.wmv.advanced
       /Library/QuickTime/Flip4Mac WMV Export.component
       - net.telestream.wmv.export
       /Library/QuickTime/Flip4Mac WMV Import.component
       - net.telestream.wmv.import
       /Library/QuickTime/LiveType.component
       - com.apple.LiveType.component
       /Library/QuickTime/Perian.component
       - org.perian.Perian
       /Library/QuickTime/XiphQT.component
       - org.xiph.xiph-qt.xiphqt
       /Library/Widgets/CI Filter Browser.wdgt
       - com.apple.CIFilterBrowser
       Library/Address Book Plug-Ins/SkypeABDialer.bundle
       - com.skype.skypeabdialer
       Library/Address Book Plug-Ins/SkypeABSMS.bundle
       - com.skype.skypeabsms
       Library/Caches/com.apple.Safari/Extensions/Evernote Web Clipper-2.safariextension
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       - com.spigot.safari.searchme
       Library/InputManagers/Smart Crash Reports/Smart Crash Reports.bundle
       - com.unsanity.smartcrashreports
       Library/InputManagers/Smart Crash Reports/Smart Crash Reports.bundle/Contents/Resources
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       Library/iTunes/iTunes Plug-ins/CoverVersion.bundle
       - de.imagomat.coverversion
       Library/iTunes/iTunes Plug-ins/MiniLyrics for iTunes.bundle
       - com.crintsoft.minilyrics.itunes
       Library/Widgets/Delicious.wdgt
       - org.wave2.widget.delicious
       Library/Widgets/Earth.wdgt
       - com.stefan.widget.Earth
       Library/Widgets/gRead.wdgt
       - com.phantomgorilla.widget.gRead
       Library/Widgets/IPSecuritas.wdgt
       - com.lobotomo.widget.ipsecuritas
       Library/Widgets/iStat nano.wdgt
       - com.iSlayer.iStatnanoV2.widget
       Library/Widgets/Twidget.wdgt
       - ca.aquabox.widget.twidget
       Library/Widgets/VPN Tracker 5 Widget.wdgt
       - N/A
    dylibs
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       /usr/lib/openlibraries-0.3.0/openassetlib/plugins/libopenassetlib_filesystem_pl ugin.0.dylib
       /usr/lib/openlibraries-0.3.0/openassetlib/plugins/libopenassetlib_sqlite3_plugi n.0.dylib
       /usr/lib/openlibraries-0.3.0/openeffectslib/lib/libopeneffectslib_fx.0.dylib
       /usr/lib/openlibraries-0.3.0/openeffectslib/plugins/libopeneffectslib_colour_ef fect.0.dylib
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       /usr/lib/openlibraries-0.3.0/openeffectslib/plugins/libopeneffectslib_openmedia lib_source.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/lib/libopenimagelib_il.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/lib/libopenimagelib_py.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_3D_lightmap.0 .dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_dds.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_exr.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_hdr.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_quicktime.0.d ylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_sgi.0.dylib
       /usr/lib/openlibraries-0.3.0/openimagelib/plugins/libopenimagelib_tga.0.dylib
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       /usr/lib/openlibraries-0.3.0/openobjectlib/plugins/libopenobjectlib_x3dbz.0.dyl ib
       /usr/lib/openlibraries-0.3.0/openobjectlib/plugins/libopenobjectlib_x3dz.0.dyli b
       /usr/lib/openlibraries-0.3.0/openpluginlib/lib/libopenpluginlib_pl.0.dylib
       /usr/lib/openlibraries-0.3.0/openpluginlib/lib/libopenpluginlib_py.0.dylib
    Apps
       /Applications/Google Drive.app
       /Applications/Dropbox.app
    Contents of /etc/hosts
       127.0.0.1 localhost
       255.255.255.255 broadcasthost
       ::1             localhost
       fe80::1%lo0 localhost
    Contents of /System/Library/LaunchDaemons/com.apple.rpmuxd.plist (Apple binary property list)
       bplist00”      \MachServices_  ProgramArgumentsULabel—  _  com.apple.rpmuxd ° _  /usr/libexec/rpmuxd   /58KLN
    Font issues: 46
    Bad plists
       Library/Preferences/com.AppersEurope.Writhen.plist
       Library/Preferences/com.artificialsolutions.SpaceShip.plist
       Library/Preferences/com.Tallbest.Syllabub.plist
    DNS: 8.8.8.8 (static)
    User crontab
       # iBackup start
       # min hour mday month wday command
       # iBackup end
    Hidden apps
       .apportable/toolchain/macosx/android-sdk/tools/lib/monitor-x86_64/eclipse.app
       .apportable/toolchain/macosx/android-sdk/tools/lib/monitor-x86_64/monitor.app
       .apportable/toolchain/macosx/Profiler/Profiler.app
    Restricted files: 10766
    Safari extensions
       Evernote Web Clipper
       Searchme
    High file counts
       Library/Keychains: 72
    Elapsed time (s): 433

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    Has anybody else experienced this? Any suggestions other than update the firmware in my firewall (which isn't really an option, or necessary I'd say).
    Thanks.
    Greg

    Steven, yes, that is the case. I am not using an RSA Secure ID. All of the other settings you listed are what I'm using.
    As an additional note, I got the Network Utility (by Codepacity) program from the app store. It allows you to (among other things) ping sites. When I used that to ping my PPTP server, I saw that the ping attempts were failing. I kept running it until the pings started to succeed and was then able to get my VPN connection working; it was a long time before the pings started working. It may be that AT&T's network was having issues, and it was just coincidental that the problems started after my firmware upgrade. That is just speculation though.
    Greg

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