Object cache user accounts in SharePoint Server 2013

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From TechNet we can read

“The object cache stores properties about items in SharePoint Server 2013. Items in this cache are used by the publishing feature when it renders web pages. The goals of the object cache are to reduce the load on the computer on which SQL Server is running, and to improve request latency and throughput. The object cache makes its queries as one of two out-of-box user accounts: the Portal Super User and the Portal Super Reader. These user accounts must be properly configured to ensure that the object cache works correctly. The Portal Super User account must be an account that has Full Control access to the web application. The Portal Super Reader account must be an account that has Full Read access to the web application.”

The problem is that assigning accounts like SuperUser and SuperReader to your Web Applications is not enough, you need to give Full Control to SuperUser and Full Read to SuperReader, so you can have everything working and well. Sometimes scripts stop running and sites become inaccessible because bad configuration off Cache Accounts’.

This is my complete script to set the cached accounts according:

$ver = $host | select version
if ($ver.Version.Major -gt 1)  {$Host.Runspace.ThreadOptions = "ReuseThread"}
Add-PsSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
Import-Module WebAdministration -ErrorAction SilentlyContinue
## SharePoint DLL
$wa = Get-SPWebApplication -Identity "http://yoursite.corp"
$SuperUserAcc = "i:0#.w|DOMAIN\SP_YourSuperUser"
$SuperReaderAcc = "i:0#.w|DOMAIN\SP_YourSuperReader"
Function Set-WebAppUserPolicy($wa, $userName, $displayName, $perm) 
    [Microsoft.SharePoint.Administration.SPPolicyCollection]$policies = $wa.Policies
    [Microsoft.SharePoint.Administration.SPPolicy]$policy = $policies.Add($userName, $displayName)
    [Microsoft.SharePoint.Administration.SPPolicyRole]$policyRole = $wa.PolicyRoles | where {$_.Name -eq $perm}
    If ($policyRole -ne $null) {

$wa.Properties["portalsuperuseraccount"] = $SuperUserAcc
Set-WebAppUserPolicy $wa $SuperUserAcc "Super User (Object Cache)" "Full Control"
$wa.Properties["portalsuperreaderaccount"] = $SuperReaderAcc
Set-WebAppUserPolicy $wa $SuperReaderAcc "Super Reader (Object Cache)" "Full Read"

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