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IE 11 compatibility issue with Pega 7




Internet Explorer is being forced to run the Pega application (Pega 7) in compatibility mode which causes some UI issues.

In this case the vertical scrollbars gets frozen and users are not able to scroll to view the bottom content of the screens.


Error Messages

Not Applicable


Steps to Reproduce

  1. Attempt to use a Pega 7 application with Internet Explorer in compatibility mode.
  2. Observe that behavior may vary depending on application configuration.


Root Cause

Pega 7 applications are not designed to run in compatibility mode. Standards mode must be used.



In this case the compatibility mode is being enforced by group policy the following local-changes can be implemented.

1. Override when rule pyUnsupportedBrowsers as described in the PDN article:

2. Update the top level Harness(es) to set the Internet Explorer Document mode to "IE=Edge


Suggest Edit

Published March 21, 2017 - Updated December 2, 2021

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