IE Proxy settings / GPO error?

[Manny21555]

Hi All,

 

A very strange problem I'm having with my network. As it stand I can always get internet connectivity from my office (unfiltered internet) but students/teachers (filtered internet) cannot get internet connectivity sometimes.

 

When logging on as a teacher sometimes you will get access to the internet then later in the day the same pc with the same user details will not get the internet. when I receive a call I run gpupdate /force remotely and then it works fine (closing internet & re-opening) until it happens again, it doesn't happen to the same pc/user all the time. One day it will be classroom-10 a few times a day with different users then the next day it will be another classroom with another user.

 

I use the registry keys to apply the internet settings through group policy. I have done some testing (gpresult /r which then I can see it does apply the gpo for internet settings- which you can see it has applied the IE setting but you cannot get the IE to connect) I'm not sure if its a computer policy which is coursing this to happen at random times/days.

 

We are using Windows 7 for the client pc's with IE 11 installed. Its a very annoying problem for staff/students which does happen at least 2x an hour everyday.

 

Has any ones else had the same issue? I hope somebody has a fix or someone could point me in the correct direction!

 

CHeers,

Manny

[spadam]

Could be an issue with your proxy - possibly with authentication to your proxy but that's just a guess based on you saying your unfiltered connection is not affected. Have you checked the proxy logs to see if the requests are getting there from an affected machine?

[steveJCUK]

What version of Server are you using?

[Manny21555]

Hi Guys,

 

Thanks for replying to me. We are using smooth wall as the proxy authentication - I will look at the log when I receive another phone call. None this morning which is strange!

 

We have 2 DC's both running Windows Server 2012 R2.

 

Cheers,

Manny

[harriuk]

When the internet issue occurs have the proxy settings changed at all?

[Manny21555]

Hi,

 

I am unable to check that, its disabled by GPO but I do know the proxy settings are set (gpresult)

 

Cheers,

Manny

[Manny21555]

Hi All,

 

This happened again this morning to a "teaching staff". After checking Smoothwall logs the request was not getting to the proxy. I closed IE then re-opened and got nothing. As soon as I did "gpupdate /force" it worked fine, including the logs on the proxy (Smoothwall).

 

Can you guys help any further?

 

Cheers,

Manny

[Manny21555]

Hi All,

 

Just to say i have found a fix for this and it works 100%. I hope people look at this fix in the future if they have the same issue as what I had!

 

Here is the guide i found online:

How to apply “The content of IE Settings” in GPO (which used IEM (IE Maintenance) before IE10) to IE10+ Version since IEM have been deprecated from IE10 - AsiaTech: Microsoft APGC Internet Developer Support Team - Site Home - MSDN Blogs

 

I used the registry settings previously but i did miss out the "DefaultconnectionSettings" as a registry key, please make sure you have this on the group policy settings that you create. It also needs to be in the order otherwise it will not apply.

 

Please remember that the settings need to applied on the the computer you are using (in my case the i used the actual server) and you will be fine! I also added another registry entry which was a homepage. This is called a start page (i believe its in the same location as proxyserver & proxyenable)

 

Hope this helps somebody in the future!

 

Cheers

Manny