Related incident are not closed when the associated problem is closed.
Release or Environment
OOB business rule - "SNC - ITIL - Close Related" is deactivated.
Make sure to activate the OOB business rule which Closes any incidents that are related to the associated problem. Below is the name of the business rule:
- SNC - ITIL - Close Related: https://<instance-name>.service-now.com/nav_to.do?uri=sys_script.do?sys_id=1c263220c6112275006955271bf6ba4f