Revit Plugin Troubleshooting - July 2019

On Wednesday July 10, 2019, we'll be making changes to the way the Trimble Login pop-up works in Revit that may affect the ability of some users to login.

The problem can be easily fixed by running a batch file which will upgrade the version of IE that the plugin looks at when logging in.

To apply the patch, follow the following steps:

  1. Close Revit.
  2. Download this zip file and save it locally. 
  3. Open and extract the file "Login-fix-for-Sefaira.bat"
  4. Run the file "Login-fix-for-Sefaira.bat"
  5. Reopen Revit and try logging in again.

There should be no issues to other applications or to Revit when using this patch but if you want to undo the changes, an undo batch file will be created when the first file is run that will return the system to the way it was.

The file will be called "Undo-Login-fix-for-Sefaira.bat"

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6 out of 18 found this helpful


  • Avatar
    carl brooks

    this is not helpful at all. cannot extract file. windows wont let me run anything as it is a 'harmful document'

  • Avatar
    Andrew Corney

    Hi Carl,
    It is a batch file once extracted so yes - you will get warnings about running it.
    You may need to have administrator permission for your machine to run the file.

  • Avatar
    Jonah Lewis

    Hey Andrew, tried running this .bat file and still getting a message in Revit 2017 saying I need to upgrade the browser. Any ideas why this may not be working? I ran the .bat as admin.

  • Avatar
    Rohullah Noori

    Hi Andrew,
    I followed the steps but it still shows the same error.

  • Avatar
    George Baker

    Hi Andrew,
    I've run the "Login-fix-for-Sefaira.bat" file for the Revit version, now when I try to start the add-in, it reads: "500 Internal server error, please contact support".
    Any idea on how to fix this?

  • Avatar
    Peter Elliott

    This patch does not work.

  • Avatar
    Andrew Corney

    Sorry to those who replied here and did not get a response. The notifications for these articles stopped working for some reason.
    It's always best to raise something in the forum if you would like a quick response. We expect the issues folks had having are unrelated issues.

  • Avatar
    Jack Randall

    After installing the sefaira pluggin for Revit 2020 I tried to run the plug in and received multiple error messages and a popup that didn't let me log into Trimble. I downloaded the file above which was an html. file. I opened it with explorer browser and got a spinning window but in the top of the browser I saw this reference to a file name that was a .bat file and noticed I could select to download that file. I've never seen an interface like this. Then in windows I went to the command prompt and executed the batch file which I could see it completed successfully from the command line. Sefaira now works in Revit.