Icons or images do not display in IE11
SummaryIcons or images do not display on the Internet Explorer 11 browser.
Error MessagesNot Applicable
Steps to ReproduceLog in to the portal using Internet Explorer 11 browser through a proxy.
Root CauseContent security policies were in place for the proxy which modified the HTTP response header. One of the settings had both Pragma: no-cache and Cache-Control: max-age. These two cache settings conflicted with each other. The Internet Explorer 11 browser could not handle this contradiction gracefully.
ResolutionPerform the following local-change:Address the conflicting cache control directives.
Published May 9, 2019 - Updated October 8, 2020