This article provides the steps on how to cancel log running requests on the VCF9 Operation Lifecycle
VCF9.x
1. Enable VCF9 Fleet Management UI
# touch /var/lib/vrlcm/UI_ENABLED2. Follow the KB to cancel the request
https://knowledge.broadcom.com/external/article/322700/cancel-long-running-requests-in-vmware-a.html