Home > Citrix > Citrix WebUI and IE9: Dragging Down the Browser Wars

Citrix WebUI and IE9: Dragging Down the Browser Wars

Today I heard from my Citrix SE about an issue with Internet Explorer 9 and the Citrix WebUI. Symptoms are issues with users unable to launch Web Interface applications after upgrading to IE9. Be clear that Citrix does not currently support access via the WebUI while using IE9.

The issue is that with the release of IE9, Microsoft increased the level of security with its browser. The security changes made by Microsoft are causing IE to treat the WebUI and related ICA files as a security threat. Our SE did recommend a few workarounds:

  • Add the WebUI URL as a trusted site in the IE9 Security Settings. In order for this to work the site must be accessed via HTTPS
  • Manually save and launch the ICA files directly
  • Use a different browser such as Firefox 3.x, or Safari 5.x

It also appears Citrix isn’t support Chrome or Firefox 4.x yet, though I’m not aware of any issues at this time.

Just wanted to pass along the word.

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