The portal uses ActiveX controls to display content in the portal catalog. As security weaknesses in ActiveX controls can be exploited, you may wish to disable them on your clients. By making the corresponding settings on your clients and on the portal server, you can deactivate ActiveX controls while still keeping the full functions of the portal.
If you disable ActiveX controls, the performance of your portal installation decreases. This is because the portal has to emulate the tasks of the ActiveX controls.
For more information on how to deactivate ActiveX controls in your portal, see Enabling an ActiveX-Free Portal. This is supported on all supported Microsoft Internet Explorer versions.