If the vm is not on the hypervisor then set vm_instance to Expunged for that vm in MySql. Please next time tell us what version of ACS and hypervisor and version. Also logs will help us find your problem. /var/log/cloudstack/management/ and the management log and cataylina log are important.
Sent on a Sprint Samsung Galaxy S® III <div>-------- Original message --------</div><div>From: Alireza Eskandari <astro.alir...@yahoo.com.INVALID> </div><div>Date:12/14/2014 2:00 AM (GMT-05:00) </div><div>To: dev@cloudstack.apache.org </div><div>Subject: remove a not existing VM </div><div> </div>HiI can't remove an instance from CS that doesn't exist in hypervisor and deleted already.Do you have any idea?Thanks