Windows 2008 AD - Unchecking all boxes for I.E. 8 compatability mode settings with a group policy

You can you need to import the adm files.

http://technet.microsoft.com/en-us/library/cc985351.aspx

http://www.theexperienceblog.com/2009/05/23/control-compatibility-settings-in-ie8-using-gpos/

Adm file local C:\WINDOWS\ie8\inetres.adm after you install IE8

You can do it with a registry push or with a custom Administrative Template. The Compatibility view settings that come with the default Administrative Templates will only let you modify whether compatibility mode is on, off, or available. There are a few other settings, but they probably don't cover what you need.

Alright. Did a little more research. The settings you want are in User Configuration\Administrative Templates\Windows Components\Internet Explorer\Compatibility View -
Disable "Include Updated Web site lists from microsoft"
Disable "Turn on Internet Internet Explorer Standards Mode for Local Intranet"

Those settings will grey out the options for Local Intranet Compatibility and Updating Website Lists from MS. The Local Intranet Compatibility box will still be checked, but compatibility mode will be unavailable for Intranet sites. You can also turn off Compatibility Mode entirely in the same section of a group Policy.

This helps. But I need to uncheck the box "Display Intranet Sites in Compatibility View" with a GPO. Is there a selection for that one or a reg key change?

That one will probably be a registry modification. I'm not certain of what the key is, though.

Yes, I am digging for a reg key now but have not had any luck.

There is a check if you import the ADM file. Read the link I posted it tells you all the options you can set with the IE8 GPOs

Got it. HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\BrowserEmulation\IntranetCompatibilityMode set to 0 will uncheck it.

Darius, the policy for Intranet Settings in the ADM template only greys out the option, but doesn't uncheck it. I've tested it. I got the above key by digging through the ADMX files in Windows 7 and searching the registry until I found something that looked promising, then making the change in IE and comparing it with the registry setting immediately afterward.

Now I am confused there are HKey entries for what appear to be for each or every user the ever logged into th pc.  Below that I found a BrowserEmulation Key under each of these locations.   HKEY_USERS  .Default, S-1-5-18, S-1-5-19, S-1-21-16523432234234-2423423424-234242234-23423   so on and so forth.
As I browse the registry there are several BrowserEmulation Keys that have  the MSCompatibilityMode entry that I need to set to 0. Is there one entry that changes it for all locations?
Or do I have to set the key in HKEY_CURRENT_USER or HKEY_USERS\.Default then delete all the key entries that start with S-1-5-18   ect..... So when users log in they get the new key entry unter
HKEY_USERS\s-1-19 ect......

Like I said I'm confused on this one.