When attempting to update or add a NAT rule on edge gateway, the error " %edge_uuid% is busy completing an operation NAT_RULE_UPDATE. NAT_RULE_UPDATE(com.vmware.vcloud.entity.task:%task_uuid%
Cloud Director 10.x
Stale tasks in the Database
Resolution involves making modifications to Cloud Director Database. Contact technical support and note this Knowledge Article ID (395179) in the problem description. For more information, see How to Submit a Support Request