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Internet Explorer 11 disable "display intranet sites in compatibility view" via meta tag not working

I have been working on an intranet website for over 6 months were I have been using the below html5 doctype and edge compatibility meta tag to force Internet Explorer to not emulate an older browser version, and this has worked ok.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>My title</title>
    <meta http-equiv="X-UA-Compatible" content="IE=EDGE" />
</head>
<body>
</body>
</html>

The reason I was doing it this way is because the place I work uses a policy setting to enable compatibility view for all intranet sites, and this approach using the EDGE setting has worked in Internet Explorer 9.

Intranet site compatibility view setting

Over a month ago I was upgraded to Internet Explorer 11 and the site still worked as expected.

Today this stopped working as expected, I can't say for sure but I think that the policy that forces the compatibility view was not enabled in IE11 and now it is... and since this has been enabled the compatibility meta tag is no longer doing what is expected, and this site is being run in the Enterprise mode which emulates IE8.

Does anyone know how to fix this and force IE11 to be used on an intranet site when the compatibility "Enterprise mode" is being enforced? and can't be disabled via the browser settings?

EDIT

I have just tried adding a custom header in my web.config as explained in this answer https://stackoverflow.com/a/18257208/98706

and this did not work for me I still get the below message in the developer toolbar console of

HTML1122: Internet Explorer is running in Enterprise Mode emulating IE8.

It is as if version 8 is being treated as the edge when this intranet compatibility setting is enabled in IE11.

This post: https://www.leapinggorilla.com/Blog/Read/1016/ie-ate-my-css---disabling-compatability-mode explains this well, I haven't yet tried setting this header via code and our users dont have access to change their browser settings.. none of the other changes have worked as yet.

UPDATE

Please see my comment on this post about what the difference between Enterprise mode and compatibility mode is, because it is important.

like image 612
Pricey Avatar asked Aug 28 '14 20:08

Pricey


People also ask

How do I uncheck Display intranet sites in Compatibility View?

Click Tools in the browser menu bar, and then click Compatibility View settings. Clear the Display intranet sites in Compatibility View check box, and the click Close.

How do I enable Display intranet sites in Compatibility View in IE11?

Open Internet Explorer, select the Tools button , and then select Compatibility View settings. 2. Under Add this website, enter the URL of the site you want to add to the list, and then select Add.


8 Answers

Make sure:

<meta http-equiv="X-UA-Compatible" content="IE=edge">

is the first <meta> tag on your page, otherwise IE may not respect it.

Alternatively, the problem may be that IE is using Enterprise Mode for this website:

  • Your question mentioned that the console shows: HTML1122: Internet Explorer is running in Enterprise Mode emulating IE8.
  • If so you may need to disable enterprise mode (or like this) or turn it off for that website from the Tools menu in IE.
  • However Enterprise Mode should in theory be overridden by the X-UA-Compatible tag, but IE might have a bug...
like image 67
sparrowt Avatar answered Oct 18 '22 21:10

sparrowt


This problem is generally caused by the website/intranet URL being placed in one of:

  • Compatibility Mode List
  • Internet Explorer Intranet Zone
    (with Display intranet sites in Compatibility View setting enabled)
  • Enterprise Mode List

On corporate networks, these compatibility view settings are often controlled centrally via group policy. In your case, Enterprise Mode appears to be the culprit.

IE 11 Enterprise Mode

Unfortunately setting META X-UA-Compatible will not override this.

For End-Users

Sometimes the only way for end-users to override this is to press F12 and change the Document Mode under the Emulation Tab. However this setting is not permanent and may revert once Developer Tools is closed.

You can also try to exclude your site from the Intranet zone. But the list of domains which belong to the Intranet zone is usually also controlled by the group policy, so the chance of this working is slim.

To see the list of domains that belong to the Intranet zone, go to:

Tools -> Internet Options -> Security -> Sites -> Advanced

If the list contains your subdomain and is greyed out, then you will not be able to override compatibility view until your network admin allows it.

You really need to contact your network administrator to allow changing the compatibility view settings in the group policy.

For Network Admins

Loading the website with Developer Tools open (F12) will often report the reason that IE is switching to an older mode.

All 3 settings mentioned above are generally controlled via Group Policy, although can sometimes be overridden on user machines.

If Enterprise Mode is the issue (as appears to be the case for the original poster), the following two articles might be helpful:

  • How to Enable and Use Internet Explorer 11’s Enterprise Mode [HowToGeek]
  • Turn on Enterprise Mode and use a site list [TechNet]
like image 35
rustyx Avatar answered Oct 18 '22 23:10

rustyx


For those who are building an ASP.NET MVC project, make sure that you add the:

<meta http-equiv="X-UA-Compatible" content="IE=edge">

tag into your Layout (template) page. I just spent two hours debugging and tweaking, only to realize that I had only added that meta tag into my child pages. As soon as I added it to my layout page, the browser loaded in EDGE mode perfectly.

like image 30
Jason Marsell Avatar answered Oct 18 '22 23:10

Jason Marsell


The marked answer is the correct one. However, Pricey, you should follow up on this with your AD and desktop admin groups. They are misusing the IE11 Enterprise Mode site list. Microsoft does NOT intend it to be used for all intranet sites within an organization at all. That would be propagating the existing "render all intranet sites in compatibility mode" setting that is the bane of corporate website advancement the world over.

It's meant to implemented as a "Black list", with the handful of sites that actually require a legacy browser mode listed in the Enterprise Mode list with their rendering requirements specified. All other sites in your organization are then freed up to use Edge. The people in your organization who implemented it with all intranet sites included to start with have completely misunderstood how Enterprise Mode is meant to be implemented.

like image 20
ch1nmuzak Avatar answered Oct 18 '22 22:10

ch1nmuzak


The question is a bit old but I just solved a very similar problem. We have several intranet sites here including the one I'm responsible for, and the others require compatibility mode or they break. For that reason, site rules default IE to compatibility mode on intranet sites. I am upgrading my own stuff and no longer need it; in fact, some of the features I'm trying to use don't look right in compat mode. I'm using the meta IE-Edge tag like you are.

IE assumes websites without the fully-qualified address are intranet, and acts accordingly. With that in mind I just altered the bindings in IIS to only listen to the fully-qualified address, then set up a dummy website that listened for the unqualified address. The second one redirects all traffic to the fully-qualified address, making IE believe it's an external site. The site renders correctly with or without the Compatibility Mode on Intranet Sites box checked.

like image 32
Mike Anderson Avatar answered Oct 18 '22 21:10

Mike Anderson


This is an old problem with some good information. But what I just found is that using a FQDN turns off the Compat mode in IE 9 - 11. Example. I have the compat problem with
http://lrmstst01:8080/JavaWeb/login.do
but the problems go away with
http://lrmstst01.mydomain.int:8080/JavaWeb/login.do
NB: The .int is part of our internal domain

like image 30
Dean P Avatar answered Oct 18 '22 21:10

Dean P


Add the below property into the web.config file for IIS sites. This worked for me on my intranet in IE11.

<system.webServer>
  <httpProtocol>
    <customHeaders>
      <clear />
      <add name="X-UA-Compatible" value="IE=edge" />
    </customHeaders>
  </httpProtocol>
</system.webServer> 
like image 24
user942620 Avatar answered Oct 18 '22 23:10

user942620


For what it's worth, I had the issue as well in IE11:

  • I was not in Enterprise mode.
  • The "Display intranet sites in Compatibility View" was checked.
  • I had all the <!DOCTYPE html> and IE=Edge settings mentioned in the question
  • The meta header was indeed the 1st element in the <head> element

After a while, I found out that:

  • the User Agent header sent to the server was IE7 but...
  • the JavaScript value was IE11!

HTTP Header:

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E) but

JavaScript:

window.navigator.userAgent === 'Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; rv:11.0) like Gecko'

So I ended up doing the check on the client side.

And BTW, meanwhile, checking the user agent is no longer recommended. See https://developer.mozilla.org/en-US/docs/Web/HTTP/Browser_detection_using_the_user_agent (but there might be a good case)

like image 28
Yann Vo Avatar answered Oct 18 '22 21:10

Yann Vo