How Business elapsed time and Business elapsed percentage are calculated for the Task SLA?

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02-23-2021 12:06 AM
How Business elapsed time and Business elapsed percentage are calculated for the Task SLA?
We currently have 4 notifications send at 25%, 50%, 95% and 105% of the SLA Duration, but after the 105% time passed, the Business elapsed time and percentage are not updated anymore. They are updated only when the Task SLA is completed.
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Service Level Management
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02-23-2021 04:54 AM
Hi Alina,
Take a look at whatever Business Rules you have running on the task_sla table. The out of box one named Run SLA Calculation is a good place to start. This calls a Script Include named SLACalculator. I don't know if this is out of box or customized to stop calculations at/around 100% until the SLA is completed, but between the Business Rule script and the Script Include you should find the answer.

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02-23-2021 12:30 PM
Hi Alina,
see under below link how task_sla refresh frequency is changing OOB depending on Business time left of task_sla. I believe that, together with refreshes driven by your notifications will explain refreshes you observe on task_sla:
https://docs.servicenow.com/bundle/paris-it-service-management/page/product/service-level-management/concept/c_ScheduledJobsForSLA.html#c_ScheduledJobsForSLA
You will see whether this helps.
Many thanks,
Martin