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HOWTO: Add the required Hybrid Identity URLs to the Trusted Sites list of Internet Explorer and Edge

Hybrid Identity

Most Microsoft-based Hybrid Identity implementations use Active Directory Federation Services (AD FS) Servers, Web Application Proxies and Azure AD Connect installations. In this series, labeled Hardening Hybrid Identity , we’re looking at hardening these implementations, using recommended practices.

In this part of the series, we’ll look at the required Hybrid Identity URLs that you want to add to the Trusted Sites list in Internet Explorer.

Note: This is the second part for adding Microsoft Cloud URLs to Internet Explorer’s zone. In this part we look at the Trusted Sites zone. In the previous part we looked at the Local Intranet zone .

Note: Adding URLs to the Trusted Sites zone for Internet Explorer, also applies to Microsoft Edge.

Why look at the Trusted Sites?

Hybrid Identity enables functionality for people using on-premises user accounts, leveraging Azure Active Directory as an additional identity platform. By default, Azure AD is the identity platform for Microsoft Cloud services, like Exchange Online, SharePoint Online and Azure.

By adding the URLs for these services to the Trusted Sites list, we enable a seamless user experience without browser prompts or hick-ups to these services.

Internet Explorer offers built-in zones. Per zone, Internet Explorer is allowed specific functionality. Restricted Sites is the most restricted zone and Internet Explorer deploys the maximum safeguards and fewer secure features (like Windows Integrated Authentication) are enabled.

The Trusted Sites zone, by default, offers a medium level of security.

Possible negative impact (What could go wrong?)

Internet Explorer’s zones are defined with specific default settings to lower the security features for websites added to these zones.

When you use a Group Policy object to add websites that don’t need the functionality of the Trusted Sites zone to the zone, the systems in scope for the Group Policy object are opened up to these websites. This may result in unwanted behavior of the browser such as browser hijacks, identity theft and remote code executions, for example when you mistype the URLs or when DNS is compromised.

While this does not represent a clear and immediate danger, it is a situation to avoid.

Getting ready

The best way to manage Internet Explorer zones is to use Group Policy.

To create a Group Policy object, manage settings for the Group Policy object and link it to an Organizational Unit, Active Directory site and/or Active Directory domain, log into a system with the Group Policy Management Console (GPMC) installed with an account that is either:

  • A member of the Domain Admins group, or;
  • The current owner of the Group Policy Object, and have the Link GPOs permission on the Organizational Unit(s), Site(s) and/or Domain(s) where the Group Policy Object is to be linked, or;
  • Delegated the Edit Settings or Edit settings, delete and modify security permission on the GPO, and have the Link GPOs permission on the Organizational Unit(s), Site(s) and/or Domain(s) where the Group Policy Object is to be linked.

The URLs to add

You’ll want to add the following URLs to the Trusted Sites zone, depending on the way you’ve setup your Hybrid Identity implementation:

*.microsoft.com

*.microsoftonline.com, *.windows.net, ajax.aspnetcdn.com, microsoft.com, microsoftline.com, microsoftonline-p.net, onmicrosoft.com.

The above URLs are used in Hybrid Identity environments. While they overlap with some of the URLs for the Local Intranet Zone, these URLs allow side services to work properly, too.

*.msappproxy.net

Web applications that you integrate with Azure Active Directory through the Azure AD Application Proxy are published using https://*.msappproxy.net URLs. Add the above wildcard URL to the Trusted Sites list, when you’ve deployed or are planning to deploy Azure AD App Proxy. If you use vanity names for Azure AD App Proxied applications, add these to the Trusted Sites list, as well.

Other Office 365 services

Most  Hybrid Identity implementations are used to allow access to Office 365 only. Last year, 65% of Hybrid Identity implementations are used to unlock access to one or more Office 365 services, like Exchange Online, SharePoint Online, OneDrive for Business and Teams, only. This blogpost focuses on the Hybrid Identity URLs, but you might want to add more Office 365 URLs and IP address ranges to the Trusted Sites list as you deploy, roll out and use Office 365 services. You can use this (mostly outdated) Windows PowerShell script to perform that action , if you need.

How to add the URLs to the Trusted Sites zone

To add the URLs to the Trusted Sites zone, perform these steps:

  • Log into a system with the Group Policy Management Console (GPMC) installed.
  • Open the Group Policy Management Console ( gpmc.msc )
  • In the left pane, navigate to the Group Policy objects node.
  • Locate the Group Policy Object that you want to use and select it, or right-click the Group Policy Objects node and select New from the menu.
  • Right-click the Group Policy object and select Edit… from the menu. The Group Policy Management Editor window appears.
  • In the main pane of the Group Policy Management Editor window, expand the Computer Configuration node, then Policies , Administrative Templates , Windows Components , Internet Explorer , Internet Control Panel and then the Security Page node.

SiteToZoneAssignmentListSettingGPO_thumb[3]

  • In the main pane, double-click the Sites to Zone Assignment List setting.
  • Enable the Group Policy setting by selecting the Enabled option in the top pane.
  • Click the Show… button in the left pane. The Show Contents window appears.
  • Add the above URLs to the Trusted Sites zone by entering the URL in the Value name column and the number 2 in the Value column for each of the URLs.
  • Click OK when done.
  • Close the Group Policy Editor window.
  • In the left navigation pane of the Group Policy Management Console, navigate to the Organization Unit (OU) where you want to link the Group Policy object.
  • Right-click the OU and select Link an existing GPO… from the menu.
  • In the Select GPO window, select the GPO.
  • Click OK to link the GPO.

Repeat the last three steps to link the GPO to all OUs that require it. Take Block Inheritance into account for OUs by linking the GPO specifically to include all people in scope.

To enable functionality in a Hybrid Identity implementation, we need to open up the web browser to allow functionality for specific web addresses. By enabling the right URLs we minimize our efforts in enabling the functionality and also minimize the negative effect on browser security.

There is no need to add all the URLs to specific Internet Explorer zones, when you don’t need to functionality. However, do not forget to add the specific URLs when you enable specific functionality like the Azure AD Application Proxy and remove specific URLs when you move away from specific functionality.

Further reading

Office 365 URLs and IP address ranges Group Policy – Internet Explorer Security Zones Add Site to Local Intranet Zone Group Policy

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Posted on October 17, 2019 by Sander Berkouwer in Active Directory , Entra ID , Security

2 Responses to HOWTO: Add the required Hybrid Identity URLs to the Trusted Sites list of Internet Explorer and Edge

 

Great Post! Thank you so much for teaching us on how to add hybrid identity urls to the trusted list of sites on browsers like internet explorer and Microsoft edge.

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I want to block all websites on edge and only give access to 2 sites but using group policy can someone help on this?

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Adding Sites to Internet Security Zones Using Group Policy

Sometimes it is useful to leverage the power of Group Policy in Active Directory to add sites to certain security zones in Internet Explorer.  This can save the network admin the trouble of managing the security zone lists for each computer (or user) separately.  In the following example, each user on the network needs to have a specific site added to the Trusted Sites list.

This tutorial assumes that group policy is in good working order on the domain and that all client users and computers can access the directory.

  • Open the Group Policy Management MMC console.
  • Right-click the organization unit (OU) that the policy should apply to, taking special care to consider whether the policy should apply to computers or users on this particular network.
  • Select “Create and Link a GPO Here…” to create a new group policy object.
  • In the “New GPO” window, enter a good, descriptive name for this new policy and click “OK”.   (ex.  “Trusted Sites Zone – Users” or something even more descriptive)
  • Locate the newly created GPO in the left-side navigation pane, right-click it and select “Edit…”
  • Expand “Administrative Templates” under either “Computer Configuration” or “User Configuration” depending on which type of OU the new policy was linked to in step 2.
  • The path to the settings that this example will be using is: Administrative Templates -- Windows Components -- Internet Explorer -- Internet Control Panel -- Security Page
  • In the right-hand pane, double-click “Site to Zone Assignment List”.
  • Enable the policy and click the “Show…” button next to “Enter the zone assignments here.”  This will pop up the “Show Contents” window.
  • Click the “Add…” button.  This will pop up the “Add Item” window.
  • In the first box, labeled “Enter the name of the item to be added:”, enter the URL to the site.   (ex.  https://secure.ourimportantwebapp.com) .  Keep in mind that wildcards can be used.   (ex.  https://*.ourimportantdomain.com) .  Leave off any trailing slashes or sub-folders unless that type of specific control is called for.
  • 1 – Intranet Zone
  • 2 – Trusted Sites Zone
  • 3 – Internet Zone
  • 4 – Restricted Sites Zone
  • Once the zone assignment has been entered, click “OK”.  This will once again show the “Show Contents” window and the new entry should be present.
  • Click “OK” and “OK” again to get back to the Group Policy Management Console.

The new policy will take effect at the next group policy refresh interval, which is usually 15 minutes.  To test immediately, run a gpupdate /force on a user/computer that falls into the scope of the new policy and go to “Tools -> Internet Options -> Security -> Trusted Sites -> Sites”.  The site(s) added should be in the list.  If the sites do not show up, check the event logs for any group policy processing errors.

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Juicer breville says:.

November 26, 2012 at 12:11 am (UTC -6)

Hurrah, that’s what I was looking for, what a information! existing here at this web site, thanks admin of this web page.

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Group Policy and Internet Explorer's Site to Zone assignment issues?

We are using GPO to apply Site to Zone assignements for our users so that we can add some specific addresses into their Internet Explorer's Intranet and Trusted zones.

Using the Site to Zone GPO setting I have setup..

*.domain.com 1

The "domain.com" is our internal domain so I want anywebsite.domain.com to be treated as an intranet site to allow for SSO authentication to some of these websites that support it.

However this does not seem to work, adding *.domain in the local intranet zone prompts for a password when trying to hit websites that make use of SSO.

When I add the complete address of the internal site that prompts for a password "mywebsite.domain.com" to the local intranet zone then SSO works and the user is not prompted for a password.

I am trying to set this up so we don't always have to add websites into this GPO setting and wait for it to apply on client computers etc.. instead use *.domain.com to cover any subdomain.

Why can't we use wild cards in the site to zone assignment for local intranet or is my syntax incorrect?

To recap, a setting like this does not allow SSO:

This works:

mywebsite.domain.com 1 support.domain.com 1

The number "1" is the zone assignment, in this case "Local Intranet Zone" in Internet Explorer.

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  • Does it work if you use domain.com not *.domain.com? –  Greg Askew Commented May 7, 2015 at 15:54
  • I have not tried, I figured it may need the wildcard to cover all sub-domains; will try this. –  user146882 Commented May 7, 2015 at 16:20
  • that did not work as well, changing *.domain.com to domain.com has no effect –  user146882 Commented May 7, 2015 at 16:49
  • Is the problem that the site is not showing in the Intranet zone, or that SSO is not working for that site when it is in the Intranet zone? –  Greg Askew Commented May 7, 2015 at 16:50
  • did you add http:// or https:// in front of *.domain.com? Did IE recognize host.domain.com as intranet (in status bar)? –  strongline Commented May 7, 2015 at 16:50

Easy thing. Just say http://*.DOMAIN.COM 1

*.domain.com isnt enough

Cosmic542's user avatar

  • this worked, added a record for http://*.domain.com, https://*.domain.com, and *.domain.com as local intranet zone (1), tested via IE and SSO works; now I can take out the mymanysubdomains.domain.com out of the GPO :) Thanks!! –  user146882 Commented May 7, 2015 at 19:13

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site to zone assignment list gpo wildcard

Group Policy Central

News, Tips and Tutorials for all your Group Policy needss

How to configuring IE Site Zone mapping using group policy without locking out the user

site to zone assignment list gpo wildcard

Put simply we are going to setup the IE Zone registry keys manually using Group Policy Preferences…

However it’s a little complicated as the URL that is in the Site to Zone mapping is actually stored as the name of the key. Finally the protocol is the registry value with a number that assigns it to the corresponding zone. In the example we use we will first look at the currently site that the users has setup in the trusted site list ( www.bing.com ). As you can see below the zone is store at HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains then the domain is stored as a key “Bing.com” then “www”. Within the “www” key the protocol (http and/or https) is the value name with the value representing what zone it should be a member.

Note: We are just using bing.com as an example as you would never add at search engine as a trusted site.

site to zone assignment list gpo wildcard

Now we will add the additional site www.google.com.au also to the trusted sites list using group policy.

Step 1 . Edit a Group Policy that is targeted to the users that you want the IE Zones applied.

Step 2. Create a new Group Policy Preferences Registry Extension then select the “HKEY_CURRENT_USERS” Hive and then type “Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\google.com.au\www” in the Key path. Then enter the Value name of “HTTP” and selected the Value Type as “REG_DWORD” and set the value data as “00000002”.

site to zone assignment list gpo wildcard

And you’re Done…

TIP: For your reference the values and their corresponding Zones are listed below in the table.

As you can see below the IE zone will push out to your users and it will be added to the trusted zone list, while still allowing them to add and remove other zones from the list.

site to zone assignment list gpo wildcard

TIP: As always the native group policy settings will take precedence over Group Policy Preferences therefore if you have the “Site to Zone Assignment List” setting configured as well this will override (not merge) the above settings (See image below).

site to zone assignment list gpo wildcard

Author: Alan Burchill

Related articles.

site to zone assignment list gpo wildcard

47 thoughts on “ How to configuring IE Site Zone mapping using group policy without locking out the user ”

Group Policy Central http://t.co/Y2cVZ0TP

Where on earth did you find this little gem?

I worked this one out on my own a few years back, Should have written a blog / guide back then! I’d be a millionnaire!!

But still – this is a great way to allow the users to add their own trusts, of on site to fix a broken site without returning to GPO Editor just for a single user!

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I wasn’t able to get this to work. I tried it on both User and Computer settings. There was no sub folder under ‘hotmail.com’. The domain I’m trying to remove.

I’m unable to get this to work. Even the group policy results test shows it is successful, but it never shows up in the IE Internet settings. I’ve added a REG entry to also “uncheck” the require https: and that doesn’t show up either. I’ve test on both WinXP with IE8 and Win7 with IE9. Same results. I’ve looked at the registry and see nothing added. Plus, there are no errors in the event log.

Strange behavior.

I just troubleshooted with the same problem that it was not working with no error message to troubleshoot anywhere.

SOLUTION: I fired up regedit and navigated to “HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\” There I saw the site I wanted to add as a sub-key to “ZoneMap” and not as a subkey to “Domains” as it is supposed to be. The “Domains” subkey was empty. I deleted the site from “ZoneMap” and then did a gpupdate. When I then refreshed regedit the site was created no the correct location and everything was working. 🙂

Thanks for the info, but this isn’t my experience at all.

I’ve checked the registry for this same error and see nothing. I’ve even searched the entire registry for the domain name, and it finds nothing…

I’ve got a computer policy that is applied to the OU where the computer lives. All items in the policy are updating successfully, except for the registry entries. I’ve run the group policy results and see no errors. I’ve even created the policy by using the registry wizard and importing the items from my local registry. When I check the local registry on my test machines, I see nothing change. If I add the entries via IE, then they show up in the correct places. I’m stumped why this isn’t working…

Tough one. I often had typos in the GP preferences mess things up for me in the past, also the correct amount of \ signs in the key path is important. Personally I have never used it in computer policy, but I’ve always used user policy, perhaps that is worth a try? Also I always use “Replace” and not “update” in the GP Preference.

What do you mean by, “the correct amount of signs in the key path”? What is a sign?

I had the same thought about user policy yesterday and tried that as well. No luck. I haven’t tried the “Replace” option. I’ll test that next.

A bit clumsy explained, sorry about that. But I meant where you put the (slash) \ in the path. “Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\*.contoso.com” is the correct path, but if you write “\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\*.contoso.com” or “Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\*.contoso.com\” then it will fail.

Not sure why but I can’t make this work at all. The GPP does not write the reg entries at all. I tried changing the action to create and also update, but no difference. Any suggestions?

well John, you don’t really tell me much of your setup so there is not much for me to go on here. But in general my checklist would be something like this:

1. It’s a GPP setting under the user (not computer) and it writes to the HKCU hive? 2. Use “replace” 3. Trippe-check that the path is written correctly. For example: “Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\*.contoso.com” 4. Use “gpresult -r” on the client computer to check that the user gets the GPP 5. If the user gets the GPP, check the application log on the computer. If a GPP fails you will see it in the application log at the time the user logs in and it usually tells you why.

That’s my suggestions at the moment.

You nailed the problem – I was using a computer policy, not a user policy. As soon as a rebuilt it as a user policy, everything fell into place perfectly. Thanks for posting this, it was a huge timesaver!

You’re welcome, I’m glad I could help. 🙂

Excellent post. I was just trying to figure out the exact registry keys to modify when I found this page. Nice work !

For the same case.. My user wants to add site to their trusted site list.. Please help…

Mahfuj: I’m not sure what you mean. If you use GPP to configure the IE zones then the users are allowed to add sites to them. Do you want ot prevernt them from adding sites to the trusted site list? Or do you want to allow them to add sites to the trusted site list?

Yes.. I want my user will add sites to trusted site list….. But “Add this website to the zone” field and “Add” button is gray out.. for all users.

Yes.. I want to allow my users to add sites to trusted site list….. But “Add this website to the zone” field and “Add” button is gray out.. for all users.

This means you have the administrative template still configured for the user so it will prevent them from editing their zone list. You have to be sure that you ONLY configure IE site zones via Group Policy Preferences…

I agree with Alan, it is most likely another GPO that contains settings for the IE zones, either in computer or user settings.

Thanks… I’ve figureout the issue.. Site to zone assignments list should be Not Configured for both Computer and user configuration settings….

You have a typo in the third paragraph that starts with “Hoever it’s a little complicted. Typo: “As you can see below the zone is store at HKCU\Software\Microsoft\CurrentVersion\Internet Settings\ZoneMap\Domains…” should be “As you can see below the zone is store at HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains…” The “Windows” part of the path is missing 😉

@KJS thanks.. I have corrected…

What versions of IE does this method support?

I have not tested it… but I think will work with all versions.

I am really loathing the decision by MS to go down the GPP route without replacing existing functionality with something equally simple. With this Zone mapping and the amount of work with getting favourites working it is a nightmare trying to replace existing simple easily updated GPOs with GPPs, I am not looking forward to doing it for Office.

Helpful. Thanks

Worked perfectly; delivering the following record helped the annoying windows security prompts for executing VBS/HTA files off network shares: file://privateDomainName.FQDN 1 file://privateDomainName 1

Many thanks,

My spouse and I absolutely love your blog and find a lot of your post’s to be exactly what I’m looking for. Would you offer guest writers to write content for you personally? I wouldn’t mind producing a post or elaborating on some of the subjects you write concerning here. Again, awesome weblog!

That brings us to quite possibly the most intriguing match-up to that point of the season when Oregon comes to Rice-Eccles. Alabama will try to rebound from their loss to the Sooners and rank fourth in the Sporting News college football preseason rankings. Ole Miss and Mississippi State moving the Egg Bowl away from Jackson, Miss.

What’s up, always i used to check web site posts here in the early hours in the morning, because i like to find out more and more.

Alan, great post. I’m having this issue my question is would this solution work for widows 7?

Yes it will

Very helpful posting, many thanks.

Has anyone had trouble getting this to work with Windows XP? It works well with all my Win& PC’s but is hit and miss on the XP.

Had a similar Issue, however a little different. This article may help you… http://www.grishbi.com/2015/03/unable-to-change-ie-zone-security-settings/

Excellent work Alan.

I know it is mentioned, but I would re-emphasize http or https as required.

As Per-Torben Sørensen suggested, use Replace. I’ve had issues with update instead of replace so I always use replace. It seems update doesn’t add something if it is missing, but replace does.

Remember rsop.msc is your friend. It doesn’t show the registry changes, but does show if an additional policy is applied that overrides the registry settings. With these specific settings, you can do a C:\>gpupdate /force, close and re-open the browser or re-run rsop.msc to see if the changes took place. All without logging out and back in, or rebooting.

Best, David

Much appreciated. Need to retain as much of the admin aspects for people doing programming while still giving them the tools needed for internal sites.

I am able to get the GP to work fine, however the site I am adding still doesn’t come up under the Intranet Zone as I have set. I am trying to add the internal IP of the site – 192.0.0.25. When I add this manually in IE, it works fine. When done through GP, it shows in IE under the Intranet zone, but doesn’t get treated like an intranet zone (File > properties, shows it as Internet). Is there a way to use the IP address instead of the domain name?

We needed to add a list of no less than 10 sites to the trusted list. Rather than doing it individually as you have shown, I exported the “Domains” key to a shared drive and then created a logon script that copies it to the local machine and then imports it to the registry. Now, whenever we need to add more trusted sites, I can just update the reg key in the shared location.

Question on using Wild Cards in the URL. I just found your post yesterday and am very excited about testing out using preferences in place of policies for our list of trusted sites.

I have several URLs that I am using wildcards in. If I enter the wildcard in the key path (Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\*.contoso.com) I end up with this listed in trusted sites in IE: http://*.contoso.com .

Will this function properly for all domains that add a prefix to .contoso.com? Also, is there anyway to use a wildcard to it would work with either http or https sites? We have several of those.

Excellent article…..working for me. One thing I want to mention that If you want to add just e.g., http://google.com it is working fine. but if you want to add http://google.com/xyz then you should add google.com/xyz after \Domains\ e.g. Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\google.com/xyz

Thanks for posting.

Is this applicable for HKLM registry location via GPP?

Since we need to implement for machine level.

Brilliant, thanks for this blog, works like a treat. thanks for your effort putting this up 5 years later and people are still coming across these things 🙂

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  • Zone Assignments and GPO settings

March 20, 2014

site to zone assignment list gpo wildcard

  • For Action, choose Update.
  • For Hive, choose HKEY_CURRENT_USER
  • For Key Path, enter Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\blogger.com  
  • Replace blogger.com with the domain you want to add.
  • If you want to cover the entire domain, just put the domain name.
  • If you want to cover only a sub domain, put it instead (example: client.blogger.com)
  • If you want to cover only www, put that as well (example: www.blogger.com)
  • For Value Name, you have a few options.
  • You can use a wildcard to cover anything .blogger.com (*.blogger.com)
  • You can specify a protocol (http, https).  This will only cover that one protocol (example: www.blogger.com, with Value http = http://www.blogger.com)
  • Value type: REG_DWORD
  • Value Data: Enter the value of the zone you want to assign.
  • 1 = Intranet Zone
  • 2 = Trusted Sites Zone
  • 3 = Internet Zone
  • 4 = Restricted Sites Zone
  • Base: Decimal.

site to zone assignment list gpo wildcard

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Hey Seth, wanted to thank you for your in-depth explanation. When I first stumbled across this issue it was an unwelcome surprise. Initially we tried changing our users' network paths from UNC to DFS shares but we found that now all their Office documents were opening in Protected View. I figured there had to be a way to prevent this from happening, but when I tried modifying the "Site to Zone Assignment List", a coworker realized I had obliterated the previously set sites (which were assigned using Internet Explorer Maintenance policies, which have since been deprecated in IE10+, hooray!). I'm still not sure the best way to administer IE sites now, but your entry is a wonderful step in the right direction. Thanks again! DL

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COMMENTS

  1. Why doesn't Site to Zone list assignment work with the syntax I

    Invalid entry - a wildcard for IP addresses can only be used in the last position. *.*.mycorp.com. Invalid entry - only one wildcard is allowed, and only for the hostname. Remark: In earlier versions of windows, if you provided a wildcard with a second level domain with only two letters (*.co.uk e.g.), this was an invalid entry. This was to ...

  2. How to add the URLs to the Trusted Sites zone

    Open the Group Policy Management Console (gpmc.msc) In the left pane, navigate to the Group Policy objects node. Locate the Group Policy Object that you want to use and select it, or right-click the Group Policy Objects node and select New from the menu. Right-click the Group Policy object and select Edit… from the menu.

  3. Group Policy Template "Site to Zone Assignment List"

    If you are experiencing issues with the "site to zone assignment list" Group Policy template, specifically with deleting old entries or applying the changes incorrectly, there are a few potential solutions you can try: 1.GPO Application Delay: Sometimes, group policy changes may take time to propagate to client machines.

  4. Adding Sites to Internet Security Zones Using Group Policy

    1 - Intranet Zone; 2 - Trusted Sites Zone; 3 - Internet Zone; 4 - Restricted Sites Zone; Once the zone assignment has been entered, click "OK". This will once again show the "Show Contents" window and the new entry should be present. Click "OK" and "OK" again to get back to the Group Policy Management Console. The new ...

  5. Adding trusted sites using GPO

    If you want to lock it down and add as needed, GPO will work just fine, just go to Win Components/Internet Explorer/Internet Control Panel/Security Page - Site to Zone Assignment - enable the policy, click List and add the sites as needed, a value of 1 is Intranet a value of 2 would be Trusted. Yes.

  6. Troubleshoot Internet Explorer Zonemapping failures when processing

    The "Site To Zone Assignment List" policy. The format of the Site To Zone Assignment List policy is described within the policy. This policy setting allows you to manage a list of sites that you want to associate with a particular security zone. These zone numbers have associated security settings that apply to all sites in the zone.

  7. iis

    We are using GPO to apply Site to Zone assignements for our users so that we can add some specific addresses into their Internet Explorer's Intranet and Trusted zones. ... The number "1" is the zone assignment, in this case "Local Intranet Zone" in Internet Explorer. ... I figured it may need the wildcard to cover all sub-domains; will try this ...

  8. How to configuring IE Site Zone mapping using group policy without

    As you can see below the IE zone will push out to your users and it will be added to the trusted zone list, while still allowing them to add and remove other zones from the list. TIP: As always the native group policy settings will take precedence over Group Policy Preferences therefore if you have the "Site to Zone Assignment List" setting ...

  9. SysAdminHell: Zone Assignments and GPO settings

    If you want to set the Zone Assignments and not allow the user to modify them in any way, create a new policy and navigate to User Configuration\Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page. Locate the "Site to Zone Assignment List" setting.

  10. IE zonemapping

    However, the site-to-zone assignment using GPO is very finicky about the format of the parameters - take a look at what works here: 10.* 192.* localhost 127.0.0.1 *.mysubdomain.mydomain.com *.mydomain.com hostname1 hostname2 *.wellsfargo.com Note that there can be only one wildcard per entry, and that the wildcard must be at the beginning or at ...