@Alexander Haim Thanks for reaching out to Microsoft Q&A.
Regarding changing the tracking number, I do not believe this is something that can be done in the Portal. I would suggest you reach out to Azure Support team directly regarding this. Cancelling the whole job may not be the best idea as you will have to recreate the job yourself again. Hope this helps. Thank you!
Please let us know if you have any more questions and we will be glad to assist you further. Thank you!
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