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03-02-2026 03:52 AM - edited 03-02-2026 04:01 AM
Hi everyone,
I am practicing in my personal ServiceNow developer instance and working on Incident form behaviour.
I noticed that whenever I change the Urgency or Impact field, Work Notes becomes mandatory and I cannot update the record without entering a value.
This is not related to changing the State to Resolved or Closed. The mandatory requirement happens specifically when Urgency or Impact is modified.
Since this is only a personal practice instance, I would like to understand what is enforcing this behaviour and how I can temporarily disable it for learning purposes.
So far I have checked UI Policies related to Resolution Notes and Data Policies such as Make close info mandatory when resolved or closed.
However, I am still not sure what is making Work Notes mandatory when Urgency or Impact changes.
I would appreciate guidance on the following:
How can I properly identify what is enforcing Work Notes as mandatory?
Is this typically controlled by a UI Policy, Data Policy, Client Script, or Business Rule?
What is the recommended way to make Work Notes non mandatory in a personal developer instance?
Thank you for your help.
Solved! Go to Solution.
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03-02-2026 05:54 AM
Hi @themadhankumar,
on incident form there's a priority field and this field cannot be changed manually, it is calculated from Urgency and Impact, see Define priority lookup rules for more detials:
So when you change Urgency, Impact or both it will automatically update the Priority field. Always.
And a change to value in the Priority is trigger for this client script Worknotes mandatory onChange of priority:
To locate it in your instance, update the URL below and go to:
https://yourinstance.service-now.com/nav_to.do?uri=sys_script_client.do?sys_id=ed5392f3c3122200b6dcdfdc64d3ae96
| ___Tip___|
if you want to find something about behaviour on any form (e.g. incident), go to any record and click context menu > configure > all (eventually business rules, client scripts, .....) to review the associated configuration records
Let me knowif that answered your question or want to know more details about this
Answers generated by GlideFather. Check for accuracy.
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03-02-2026 05:54 AM
Hi @themadhankumar,
on incident form there's a priority field and this field cannot be changed manually, it is calculated from Urgency and Impact, see Define priority lookup rules for more detials:
So when you change Urgency, Impact or both it will automatically update the Priority field. Always.
And a change to value in the Priority is trigger for this client script Worknotes mandatory onChange of priority:
To locate it in your instance, update the URL below and go to:
https://yourinstance.service-now.com/nav_to.do?uri=sys_script_client.do?sys_id=ed5392f3c3122200b6dcdfdc64d3ae96
| ___Tip___|
if you want to find something about behaviour on any form (e.g. incident), go to any record and click context menu > configure > all (eventually business rules, client scripts, .....) to review the associated configuration records
Let me knowif that answered your question or want to know more details about this
Answers generated by GlideFather. Check for accuracy.
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03-02-2026 06:20 AM
@GlideFather already shared all the details in his comment.
Please mark his response as correct and close the thread unless you have any additional question.
Ankur
✨ Certified Technical Architect || ✨ 10x ServiceNow MVP || ✨ ServiceNow Community Leader
