What would prevent the same ActiveX control from downloading on one internal website but not another?

Posted by ProfessionalAmateur on Server Fault See other posts from Server Fault or by ProfessionalAmateur
Published on 2013-06-26T19:52:46Z Indexed on 2013/06/26 22:23 UTC
Read the original article Hit count: 164

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internet-explorer

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blocking

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activex

We have two internal webservers for an application at my company, one is the development server and the other is production. This application server will deploy and install and ActiveX control to allow the use of specific functionality. The ActiveX control is the exact same on both servers.

Last week suddenly when trying to install and run this ActiveX control from the development server stopped working. IE will still prompt the user to install it, but when select "Install this Add-on for all users on this computer", nothing happens. Another IE window pops open and immediately closes and that is it.

It is almost as if a pop-up blocker is running (but it is not enabled).

The kicker which has me completely stumped is that if we try the same thing on the Production server, everything works as we would expect.

Items of interest:

Both servers are in the 'Trusted Sites'
No pop-up blocker in IE is activated
ActiveX controls for Trusted and Intranet Sites are all enabled.

Has anyone experienced something similar? I'm not a Windows administrator so please feel free to explain things as elementary as you see fit.

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