Clear sharepoint cache

## SharePoint Server 2013: PowerShell Script To Reset The Config Cache On All Servers In A Farm ##

Add-PSSnapin Microsoft.SharePoint.PowerShell

$Servers = Get-SPServer | ? {$_.Role -ne "Invalid"} | Select -ExpandProperty Address

Write-Host "This script will reset the SharePoint config cache on all farm servers:"

$Servers | Foreach-Object { Write-Host $_ }

Write-Host "Press enter to start."

Read-Host

Invoke-Command -ComputerName $Servers -ScriptBlock {

    try {

        Write-Host "$env:COMPUTERNAME - Stopping timer service"

        Stop-Service SPTimerV4

        $ConfigDbId = [Guid](Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\15.0\Secure\ConfigDB' -Name Id).Id #Path to the '15 hive' ConfigDB in the registry

        $CacheFolder = Join-Path -Path ([Environment]::GetFolderPath("CommonApplicationData")) -ChildPath "Microsoft\SharePoint\Config\$ConfigDbId"

        Write-Host "$env:COMPUTERNAME - Clearing cache folder $CacheFolder"

        Get-ChildItem "$CacheFolder\*" -Filter *.xml | Remove-Item

        Write-Host "$env:COMPUTERNAME - Resetting cache ini file"

        $CacheIni = Get-Item "$CacheFolder\Cache.ini"

        Set-Content -Path $CacheIni -Value "1"

        }

    finally{

        Write-Host "$env:COMPUTERNAME - Starting timer service"

        Start-Service SPTimerV4

        }

}