Windows 8 and 8.1 Forums


After Implementing VPN, Some "Metro" Apps Non-Responsive

  1. #1


    Posts : 22
    Windows 7, Service Pack 1

    After Implementing VPN, Some "Metro" Apps Non-Responsive


    I'm using Hamachi and Privoxy on my Windows 8 (release version via TechNet). I just did a clean Windows 8 install on Wednesday, and when I implemented my VPN via Hamachi/Privoxy on Thursday, some Metro apps are unable to access the network. On the other hand, everything seems to work just fine from the desktop, including both Firefox and Chrome browsers.

    I also had this problem when I was using the Developer Preview, and at that time I searched around online to find others with the same problem but no solution. Like others, I chalked this up to the beta nature of the release and didn't worry about it, assuming that MS was aware and that a fix would be done prior to the official release. Now, with the final release, I'm seeing what appears to be the same behavior.

    Does anyone have any suggestions on how to configure the network via Windows, or through changes to the Hamachi and Privoxy configurations?

    Thanks.

      My System SpecsSystem Spec

  2. #2


    Posts : 22
    Windows 7, Service Pack 1


    Why has this been marked solved? Not Solved!

    Edit: OK -- it looks like the "Solved" status has been removed...
      My System SpecsSystem Spec

  3. #3


    Redmond
    Posts : 651
    Windows 8.1 x64


    Do you have to configure specific proxy settings for either of those? I don't remember anymore as I haven't used them in a long time, but modern apps (because they're in an appcontainer sandbox) use different methods to get internet access than desktop apps, and proxies can play havoc with these if not configured properly.
      My System SpecsSystem Spec

  4. #4


    Posts : 22
    Windows 7, Service Pack 1


    There are some settings for both Hamachi and Privoxy, but the setup for both is pretty straightforward, which is a key part of the attraction of this combination for users who aren't networking experts.

    I found the discussion about this problem that I mentioned in my earlier note here:

    proxy settings for metro apps

    Because this was a pre-release thread, it has hit a dead-end, and the conversation about this problem continuing in the official Win8 release is here:

    Windows 8 RTM still has problems with "metro" apps going through proxy servers

    It seems odd that Microsoft knew about proxy issues with Metro apps during beta testing and did not address the problem. Anyway, the release discussion is going pretty far into the weeds and while I'm still working through the suggestions detailed there, I've still not resolved the issue with my own setup.
      My System SpecsSystem Spec

  5. #5


    Posts : 22
    Windows 7, Service Pack 1


    OK, I found a solution for my problem. I'm not a networking whiz, so I'm not going to try to list the steps here, but rather point you to a couple of threads where you can find all the info that eventually got all my Metro app connectivity working as it should.

    Here are the two threads, in chronological order:

    proxy settings for metro apps

    Windows 8 RTM still has problems with "metro" apps going through proxy servers

    The first thread goes back to pre-release days, while the second was started shortly after RTM.

    Because I tried a number of "fixes" for the connectivity issue and the last proposed solution was the one that fixed the problem, it's possible that one or more of the earlier steps is not necessary. On the other hand, none of the first three steps broke anything (as far as I can tell -- it's been a a day or so w/o problem), and I have not attempted to undo any of them.

    * The first step involves making changes to the Local Group Policy. This is explained here in the first thread:

    Message from TommyBeck on Tuesday, March 06, 2012 2:14 PM.

    Note that when I set this on the release version there was no setting specifically for Metro apps. So, I ended up selecting the setting for Internet (not Intranet) apps.

    * The next change involves the System Registry. That info can be found in a reply written by Brent Landry on Tuesday, August 21, 2012 5:57 PM. This is pretty straightforward.

    * The third step is actually two steps, one downloading/installing a Enable Loopback utility that registers each Metro app you have installed on your computer. You need to download the utility, run it for all of your currently installed Metro apps (select all, hit refresh if not all appear), and then move to the next step. The details on the utility can be found in the second thread, in a reply written by Manas Chaudhari on Monday, September 17, 2012 1:02 PM.

    * The final step (and the one that returned connectivity to ALL my Metro apps) was to run a series of commands from the command prompt with Administrator privileges. That information can be found in the second thread in a post by AnindyaMaiti on Saturday, September 22, 2012 4:52 AM. This step assumes that you have entered your local proxy into your Internet Explorer settings, so note that if you haven't already done so, you need to do that BEFORE running the script.

    Note that this solution still requires that you run the Enable Loopback utility whenever you install new Metro apps. Obviously, that's not as friction-free as it would ideally be. But it works (for me, at least).

    Finally, as noted, I'm not a network expert, so I am presenting this solution with the caveat that doing each of these four steps worked for me. If someone figures out that one or more steps are not required, I have no pride of authorship. Hopefully someone network-savvier than me can eventually simplify into a self-contained message what I've detailed here. Likewise, I'm not marking this as solved for all the reasons noted above.

    If you're having this problem, I hope this fixes it for you.
    Last edited by VideoSavant; 22 Oct 2012 at 12:14.
      My System SpecsSystem Spec

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