Deploying the customized Outlook security settings to client computers
After you configure the security features on Exchange Server, you must enable the customized settings for your users. To enable the changed settings, you may need to deploy a new registry key to the client computers, depending upon whether or not Microsoft Office was initially deployed with system policies.

If Office was deployed with system policies, the Outlk10.adm file will automatically pass your customized security settings to client computers each time users log on to the system.
If Office was deployed without system policies, you must create a new registry key on the client computers. Outlook will respect this new registry key, even if you are not using policies.
The registry key is of type DWORD and the value is as follows:

HKCU\SW\Policies\Microsoft\Security\CheckAdminSettings

The following table describes the key states.

Key state Description
No key Outlook uses default administrative settings.
Set to 0 Outlook uses default administrative settings.
Set to 1 Outlook looks for custom administrative settings in the Outlook Security Settings folder.
Set to 2 Outlook looks for custom administrative settings in the Outlook 10 Security Settings folder.
Set to anything else Outlook uses default administrative settings

To create a new registry key for distribution to client computers
Start the registry editor and expand the following subkey:
HKEY_CURRENT_USER\Software\Policies\Microsoft\Security

>From the Edit menu, choose New, then click DWORD value to add a new registry key.
The value name for the key must be CheckAdminSettings.

Select the new key name, and then from the Registry menu, choose Export Registry File.
In the Export Registry File dialog box, type a name for the registry file and select the option for Selected Branch under the Export Range group, then click Save to create the registry file.
Registry files have a REG extension.

After you create the new key, you distribute it to the client computers. You can distribute the key by adding it to a logon script, copying it to a shared server for users to run, or attaching it as a shortcut to an e-mail message. You cannot attach the file itself to a message, since REG files are restricted by the Outlook Security features.

Registry key files are a registered file type, which means that the key will be automatically installed on a client computer when a user double-clicks the file name

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