VM's DNS name is changed after powering on the vm instead it deployed with customization spec

[airaqi]

Is there any explanation why "DNS Name" is changed after powering on the VMs (Vms deployed from template ).

I am using customization specification manager with a spec that already created with the following configuration:

Name = Linux Template

OS type = linux

computer name = Test + 'unique suffix'

DNS name will be as i mentioned in "computer name" but it changed after powering on the VM. Command used:

New-VM -Name $Vm12 -Template $Template_name -VMHost $ESX03 -Datastore $DS_ESX03_1 -OSCustomizationSpec "Linux Template"

[LucD]

Did you check if there is a DHCP server running that might do this?