Setup SharePoint SearchTopologie

setupspsearchtopo.ps1

    $IndexLocation = "d:\index"
    
    #$SearchSA = New-SPEnterpriseSearchServiceApplication -Name $SearchSAName -ApplicationPool $SaAppPoolName -DatabaseServer $SQLAliasName -DatabaseName $dbSearchDatabase
    $SearchSA = Get-SPEnterpriseSearchServiceApplication

    $SearchInstance = Get-SPEnterpriseSearchServiceInstance -Local
    Write-Host "Defining the Search Topology…”
    $InitialSearchTopology = $SearchSA | Get-SPEnterpriseSearchTopology -Active
    $NewSearchTopology = $SearchSA | New-SPEnterpriseSearchTopology
    Write-Host "Creating Admin Component…”
    New-SPEnterpriseSearchAdminComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance

    Write-Host "Creating Analytics Component…”
    New-SPEnterpriseSearchAnalyticsProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance
    
    Write-Host "Creating Content Processing Component…”
    New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance

    Write-Host "Creating Query Processing Component…”
    New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance

    Write-Host "Creating Crawl Component…”
    New-SPEnterpriseSearchCrawlComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance

    Write-Host "Creating Index Component…”
    if (!(Test-Path -path $Indexlocation)) {New-Item $Indexlocation -Type Directory}
    New-SPEnterpriseSearchIndexComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchInstance -RootDirectory $IndexLocation
    
    Write-Host "Activating the new topology…”
    
    $NewSearchTopology.Activate()

    Write-Host "Creating Search Application Proxy…”
    $SearchProxy = Get-SPEnterpriseSearchServiceApplicationProxy -Identity "$SearchSAName Proxy” -ErrorAction SilentlyContinue
    if (!$searchProxy) {
        New-SPEnterpriseSearchServiceApplicationProxy -Name "$SearchSAName Proxy” -SearchApplication $SearchSA
    }