Support Article

Portal does not load on IE after installing MS security patch



User installed Windows update containing KB4012204 and KB4012215 for Internet Explorer, and could no longer load any of their portals.

Error Messages

Not Applicable

Steps to Reproduce

1) Use portal that contains harness with "Emulation=IE10".
2) Update the system with IE patches KB4012204 + KB4012215.
3) Access the application in Internet Explorer. Only the banner loads, and the portal displays a blank "main" area.

Root Cause

"Emulation=IE10" was set in this scenario, since developer specific JavaScript that works only in earlier versions of Internet Explorer.

This was set to address a performance issue in the UI.


Remove the "Emulation=IE10" setting from the portal's harness.

Published April 11, 2017 - Updated April 23, 2017

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