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Electronic Theatre Controls Inc

Sensor+ (CEM+) Connect WebUI and Internet Explorer


With modern versions of Internet Explorer (Version 11) accessing a CEM+’s WebUI will prompt the following error once logged in: “Unable to find language and encoded login tags in login POST”. 

Description/Explanation of Issue

This is due to incompatibility between CEM+'s webUI and modern version of Internet Explorer


To rectify this

  1. Navigate to the tools menu within Internet Explorer (Alt + X)
  2. Navigate to the “Compatibility View Settings” within the menu and click on it.
  3. Add in the IP address of the CEM+ WebUI under “Add this website”, then click add.
  4. Close the "Compatibility View Settings" window.
  5. Reload the WebUI page and login in with the appropriate credentials
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