Other Configuration Manager-related features and issues
Hi there,
The number of times the user can snooze reboot notification populated from Software Center depends on the "Computer Restart" client setting. We may calculate the limitation on the number of times a user can snooze through "amount of time after the deadline", "final countdown notification" and "frequency of restart reminder notification".
The below thread discusses the same issue and you can try out some troubleshooting steps from this and see if that helps you to sort the Issue. Software Center Reboot Notification
https://learn.microsoft.com/en-us/answers/questions/233224/software-center-reboot-notification.html
I hope this information helps. If you have any questions please let me know and I will be glad to help you out.
----------------------------------------------------------------------------------------------------------------------------------
--If the reply is helpful, please Upvote and Accept it as an answer--