Matlab online error - does not start on different browsers

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Hello -
I tried to use matlab online for the first time today. After my students used it successfully.
However, no matter which browser, and which of the 2 licences I have access to (campuswide license), and also no matter whether I use VPN or not I get the same error (sorry, translation from German):
"The matlab session you want to connect to does not react. The requested service could not be found."
Could anybody please help to solve this technical problem?
Thanks!

Answers (1)

Harshit Gupta
Harshit Gupta on 28 Apr 2022
I understand that you are facing issues with using MATLAB Online on different browsers.
Below are a few basic troubleshooting steps that you can try:
1. Please ensure that you are using a supported browser. To see the list of supported browsers, please refer to
2. Clear the browser cache and reload/refresh MATLAB Online. Following are the steps to clear the cache in different browsers:
If you have tried the above steps and the issue persists, it is likely that your MATLAB Online session data has been corrupted. To resolve the issue, try the following steps:
  1. Log in to the following link: https://drive.matlab.com/files/ with your MathWorks Account credentials
  2. In the upper right, click on your name and select “Show Hidden Files”
  3. Delete the ‘.session’ folder
  4. Go to https://matlab.mathworks.com and try re-using MATLAB Online

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