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What to do if you experience the 500 Internal Server Error in OneStream XF

  • Senior Consultant

While upgrading OneStream XF to version 6.0.0, I encountered an error: "HTTP Err0r 500.19 - Internal Server Error." Here's what happened and how I was able to resolve it quickly.

After completing all the required upgrade steps in the release notes and restarting IIS - I proceeded to open the application through Internet Explorer and received this error message:

I followed the path to the web config file in the OneStreamWebRoot file path:

OneStream App WebRoot

I then open the "Web.config" file in Notepad ++ and navigated to lines 67-69 as error had reported. I then commented out these lines in the code, saved it, and closed the file:

OneStream Webroot Web Config

I relaunched Internet Explorer but received this error in my journey through the upgrade:

OneStream App IE Error 500

"The remote server returned an error: (500) Internal Server Error." So, I clicked the "..." box to show me more information on this:

OneStream App Error 500 Details

Right then… I had an epiphany. Maybe the bad line of code existed in the application root web.config file as well. I navigated to that file:

OneStream App Web Config Path

Again, I opened the file in notepad ++ and, low and behold, on lines 52-59 I could see the same coding.

OneStream Error 500 Fix

I proceeded to comment out those lines in the code, saved it, and closed the file. I then gave IIS a good ole fashioned start:

OneStream App IIS Restart

Then I proceeded to launch Internet Explorer… and, sure enough, the OneStream application loaded perfectly!

OneStream App Login Screen Error 500 Fix

Now, time to get working within my OneStream application using this exciting new 6.0.0 version!

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