Trouble shooting for Quest log in issues

Thursday, May 16, 2024

If you are having issues logging in to Quest and seeing either a "username/password is invalid" error or “Bad Request – Header Field Too Long HTTP Error 400” message but can still log into other services such as WatIAM, Learn or Outlook you will need to fully clear your browsing data. We've included some helpful instructions below, based on your browser of choice.

Please note that these instructions should be completed with no active browser windows that are on any affiliated websites. 

Google Chrome 

  • In the top right corner of your browser, there will be three vertical dots. Click on these dots and select “clear browsing data.” 
  • In the next window prompt, select "All time" in the Time range drop-down and ensure the browsing history, cookies and other site data, and cached images and files are all selected. 
  • Press clear data.  
  • Close and re-open Chrome and try to access Quest from 

Microsoft Edge 

  • In the top right corner of your browser, click on the three horizontal dots and choose “settings” from the drop-down menu. 
  • From the Settings window, choose Privacy, search and services.
  • From the Clear browsing data subheading, click on the “choose what to clear” button. 
  • In the Clear browsing data window, ensure that the Time range selected in the drop-down is “All time” and that Browsing history, Cookies and other site data, and Cached images and files are selected. Then click clear now. 
  • Close and re-open Edge and try to access Quest from 

Mozilla Firefox 

  • In the top right corner of the browser there are three vertical lines.  Click on that icon and choose “settings.” 
  • From the settings window choose Privacy & Security. 
  • From the Privacy & Security window scroll down to see Cookies and Site data. Click on “Clear Data” from this subheading and ensure Cookies and Site Data as well as Cached Web Content are selected, then press clear. 
  • Close and re-open Firefox and try to access Quest from 


  • On the top menu bar of safari, select the Safari tab. 
  • From the drop-down menu select “Preferences.” 
  • In the preferences menu, select the “Advanced” tab and then at the bottom of the pop-up menu select “show develop menu in the menu bar.” 
  • Close the previous menu, and from the top menu bar select the “Develop” tab and from the drop-down menu click “Empty Caches.”   
  • We also recommend clearing your history at this point, do so by selecting the “History” tab in Safari and then from the drop-down menu select “Clear History.” 
  • Choose all time as the time frame.
  • Close and re-open Safari, and try to access Quest from 
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