Vcentre host migration script

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#Written By James Calleja                                                                #
#20/05/2016                                                                              #
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#this scrip will migrate a host from one vsphere to another or from cluster to cluster in#
#the same vSphere                                                                        #
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$nl = [Environment]::NewLine

#get creds for the operation & the source Vcentre
$vcCreds = Get-Credential -Message 'Vcentre Credentials' -UserName 'headoffice\'
$HostCreds = Get-Credential -Message 'Host root credentials' -UserName 'root'
$sourceVC = Read-Host 'Enter the Source Vsphere server'
connect-viserver $sourcevc -credential $vcCreds 

#list hosts and select the targets 
get-vmhost -server $sourcevc | select name,state -Unique | fl 
$search = read-host 'Enter search criteria for the hosts you want to move'
$search = '*' + $search + '*'


#get the target vcentre server and display clusters and folders
$targetvc = Read-Host 'enter the target vsphere server'
$nl
$hosts
$nl
connect-viserver $targetvc -credential $vcCreds 
$nl
write-host 'Clusters:'
Get-Cluster -server $targetvc | select name -Unique | fl 
write-host 'Folders:'
Get-Folder -server $targetvc | select name -Unique | fl 
$dest = read-host 'Enter the target Cluster name'

#Move the hosts over and connect them in the destination
$hosts = Get-VMHost -Server $sourcevc| ?{$_.name -like $search} 
$hosts | Set-VMHost -State Disconnected
$hosts | %{add-vmhost -name $_.name -server $targetvc -location $dest -Credential $Hostcreds -force}