How to manually install KCA ActiveX Microsoft Outlook Control
2 years ago
Originally Published: 2003-09-17
Article Number
000054227
Applies To
Keon Certificate Authority
Keon Registration Authority
kcaoutlookcontrol.dll
Microsoft Windows XP
Microsoft Windows 2000
Issue
How to manually install KCA ActiveX Microsoft Outlook Control
Unable to run ActiveX control on end user desktop
End user does not have Administrator access to local desktop, unable to download and run ActiveX Control from KCA
Resolution
Part of the Security Policy in default Windows 2000 and XP desktops is to disallow members of the user group to register .DLL files within the operating system. To circumvent this restriction, Administrative action must be taken on the desktop to register the kcaoutlookcontrol.dll file the ActiveX control calls to configure the Outlook client and publish the End Entity certificate to the Exchange GAL.

For more information on this issue, it is recommended that you review your User security policy, as the most simplistic way of resolving this issue is to give and users Power user access and higher. It is also possible to modify the Security Policy on the local desktop to allow for this function to be allowed from a user privilege level. More information on this is available in Microsoft documentation for your specific OS or domain configuration.

To manually register a .DLL file in the OS, a user with Admin rights can install the ActiveX control from the command prompt using the regsvr32 command, for example:

    c:> regsvr32 <path to dll file>

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