By default, autodiscovery of VM is enabled. With the Nexus 1000V implementation, IP Availability Manager is able to discover all the VMs connected to Nexus 1000V automatically and places them in the discovery pending list.
In order to auto discover the VMs, you have to discover the Nexus1000V and the connected adjacent Router or Layer 3 Switch.
To disable the VMs auto discovery feature, set the value of the parameter EnableNexus1KvVMautoDiscovery to FALSE in the tpmgr-param.conf file. The tpmgr-param.conf file is located in: <BASEDIR>\smarts\conf\discovery\tpmgr-param.conf
The VMs which are moved to the discovery pending list during VMs autodiscovery can be discovered only by creating a discovery filter matching the VMs. This discovery filter should be created before the VMs autodiscovery. Otherwise, rediscovery of Nexus1000V is required after creating the discovery filter.