Need to de register VM's from Console which is coming from Proxy for V ceter

Hi All, I need help on how to get the VM data to be de registered and eventually removed from BES console which is coming from configured Proxy’s for Vcenter in our environment. I did perform the steps mentioned in the link but …no go. Link:-1:
https://www.ibm.com/support/knowledgecenter/SS6MER_9.5.0/com.ibm.bigfix.patch.doc/Patch/Patch_Virtual_Endpoint_Man/c_balance.html

Please advise.