Instantly share code, notes, and snippets. very good post

https://gist.github.com/zplume/1395dee6b8b2e38e5927

Property sync is not dispayed

http://www.sharepoint2013.me/Blog/Post/88/Managed-property-added-to-search-display-template-is-not-appearing-in-sharepoint-2013

$ssa = Get-SPEnterpriseSearchServiceApplication  

$tenantOwner = Get-SPEnterpriseSearchOwner -Level SPWeb -SPWeb "https://dev.contoso.com/search/"
 
Get-SPEnterpriseSearchResultItemType -Owner $tenantOwner -SearchApplication $ssa
 
$ResultType = Get-SPEnterpriseSearchResultItemType -SearchApplication $ssa -Owner $tenantOwner | where-object { $_.Name -eq "ContosoResultType" }
 
$ssa.UpdateResultItemType($ResultType)

New Managed Properties don't contain values

http://sharepoint.stackexchange.com/questions/122486/new-managed-properties-dont-contain-values

Add-PSSnapin -Name Microsoft.SharePoint.PowerShell –erroraction SilentlyContinue

Stop-Service SPTimerV4
$folders = Get-ChildItem C:\ProgramData\Microsoft\SharePoint\Config 
foreach ($folder in $folders)
    {
    $items = Get-ChildItem $folder.FullName -Recurse
    foreach ($item in $items)
        {
            if ($item.Name.ToLower() -eq "cache.ini")
                {
                    $cachefolder = $folder.FullName
                }

        }
    }
$cachefolderitems = Get-ChildItem $cachefolder -Recurse
    foreach ($cachefolderitem in $cachefolderitems)
        {
            if ($cachefolderitem -like "*.xml")
                {
                   $cachefolderitem.Delete()
                }

        }

$a = Get-Content  $cachefolder\cache.ini
$a  = 1
Set-Content $a -Path $cachefolder\cache.ini

read-host "Do this on all your SharePoint Servers - and THEN press ENTER" 
start-Service SPTimerV4