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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 77%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
Hi,
I'm getting following error and my notebook session constantly disconnecting while my script running. At first there is no problem, my script is running but after sometime session failing. And also I should mention that, its not happening everytime. What can i do?
Your notebook session was disconnected. Any items in memory may have been lost. To start a new session, run the notebook again. Diagnostic information: kernel_not_found (odh89s) HTTP status code: 404.
Hello @Talat ,
Thank you for the question and using MS Q&A platform.
We are reaching out to the internal team to get more details on this issue. I will be update you once I hear back from the team.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 92%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETP%3C/text%3E%3C/svg%3E)
My notebook has the same behavior :
Your notebook session was disconnected. Any items in memory may have been lost. To start a new session, run the notebook again. Diagnostic information: kernel_not_found (ahe5fn) HTTP status code: 404.
Hello @Talat ,
Following up to see if the below suggestion was helpful. And, if you have any further query do let us know.
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Hello @Talat & @Torres Pena Yuver Alberto TEF-D ,
We have an update from the product team as below:
“This is an expected behavior if the notebook is idle for some time”.
Hello @Talat & @Torres Pena Yuver Alberto TEF-D ,
Following up to see if the above suggestion was helpful. And, if you have any further query do let us know.