Note that you must configure each Cisco vManage in the cluster individually, from that vManage server itself. You cannot create a vManage configuration template on one vManage server and attach other Cisco vManage to that device template. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/cisco-sd- wan-overlay-network-bringup.html#c_Step_2__Deploy_the_vManage_NMS_7856.xml