Internal Server Error: Could not create a Disk Cache Sub-directory for the Application Pool

Symptoms

ASP wesite shows Internal Server Error .

In Event Viewer's Application Logs the following error can be found:

The Template Persistent Cache initialization failed for Application Pool 'domain.tld(domain)(2.0)(pool)' because of the following error: Could not create a Disk Cache Sub-directory for the Application Pool. The data may have additional error codes.

Cause

Missing system folders or incorrect permissions.

Resolution

1. Apply a solution from Microsoft solution center
2. Check the path for ASP cache:

   %windir%\\system32\\inetsrv\\appcmd list config -section:system.webServer/asp
   
   <system.webServer>
     <asp>
       <session />
       <comPlus />
       <cache diskTemplateCacheDirectory="%SystemDrive%\\inetpub\  emp\\ASP Compiled Templates" />
       <limits />
     </asp>
   </system.webServer>
   

   1. Ensure the path from above exists:

      mkdir "%SystemDrive%\inetpub\ emp\ASP Compiled Templates"

      A subdirectory or file C:\inetpub\ emp\ASP Compiled Templates already exists.4. Ensure the permissions include NETWORK SERVICE :

      icacls "%SystemDrive%\inetpub\ emp\ASP Compiled Templates" /grant "NETWORK SERVICE:(OI)(CI)(M)"

      processed file: C:\inetpub\ emp\ASP Compiled TemplatesSuccessfully processed 1 files; Failed processing 0 files5. Restart IIS service:

      iisreset