Moving SharePoint 2013 Search index location

I found this script at https://gallery.technet.microsoft.com/office/Move-SharePoint-2013-242869e2 Comments indicate the Author. I have it on my blog so I can find it when I need it :D NOTE: This will not work on stand alone installations

#----------------------------------------------------------------------------- 
# Name:               Move-SPEnterpriseSearchIndex.ps1  
# Description:         This script will move the SharePoint 2013 Search Index 
#                     
# Usage:            Run the function with the 3 required Parameters 
# By:                 Ivan Josipovic, Softlanding.ca  
#----------------------------------------------------------------------------- 
function Move-SPEnterpriseSearchIndex($SearchServiceName,$Server,$IndexLocation){ 
    Add-PSSnapin Microsoft.SharePoint.PowerShell -ea 0; 
    #Gets the Search Service Application 
    $SSA = Get-SPServiceApplication -Name $SearchServiceName; 
    if (!$?){throw "Cant find a Search Service Application: `"$SearchServiceName`"";} 
    #Gets the Search Service Instance on the Specified Server 
    $Instance = Get-SPEnterpriseSearchServiceInstance -Identity $Server; 
    if (!$?){throw "Cant find a Search Service Instance on Server: `"$Server`"";} 
    #Gets the current Search Topology 
    $Current = Get-SPEnterpriseSearchTopology -SearchApplication $SSA -Active; 
    if (!$?){throw "There is no Active Topology, you can try removing the `"-Active`" from the line above in the script";} 
    #Creates a Copy of the current Search Topology 
    $Clone = New-SPEnterpriseSearchTopology -Clone -SearchApplication $SSA -SearchTopology $Current; 
    #Adds a new Index Component with the new Index Location 
    New-SPEnterpriseSearchIndexComponent -SearchTopology $Clone -IndexPartition 0 -SearchServiceInstance $Instance -RootDirectory $IndexLocation | Out-Null; 
    if (!$?){throw "Make sure that Index Location `"$IndexLocation`" exists on Server: `"$Server`"";} 
    #Sets our new Search Topology as Active 
    Set-SPEnterpriseSearchTopology -Identity $Clone; 
    #Removes the old Search Topology 
    Remove-SPEnterpriseSearchTopology -Identity $Current -Confirm:$false; 
    #Now we need to remove the extra Index Component 
    #Gets the Search Topology 
    $Current = Get-SPEnterpriseSearchTopology -SearchApplication $SSA -Active; 
    #Creates a copy of the current Search Topology 
    $Clone=New-SPEnterpriseSearchTopology -Clone -SearchApplication $SSA -SearchTopology $Current; 
    #Removes the old Index Component from the Search Topology 
    Get-SPEnterpriseSearchComponent -SearchTopology $Clone | ? {($_.GetType().Name -eq "IndexComponent") -and ($_.ServerName -eq $($Instance.Server.Address)) -and ($_.RootDirectory -ne $IndexLocation)} | Remove-SPEnterpriseSearchComponent -SearchTopology $Clone -Confirm:$false; 
    #Sets our new Search Topology as Active 
    Set-SPEnterpriseSearchTopology -Identity $Clone; 
    #Removes the old Search Topology 
    Remove-SPEnterpriseSearchTopology -Identity $Current -Confirm:$False; 
    Write-Host "The Index has been moved to $IndexLocation on $Server" 
    Write-Host "This will not remove the data from the old index location. You will have to do that manually :)" 
}