About this update
This update allows you to disable the local machine account from the remote logon session for ApplicationPoolIdentity by setting the password to the Null Virtual Account password, and then IIS will use this Null Virtual Account to access the external resource.
How to get this update
Microsoft Update CatalogTo get the stand-alone package for this update, go to the Microsoft Update Catalog website.
PrerequisitesTo install this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2.
Registry informationTo apply this update, you don't have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this update.
Update replacement informationThis update doesn't replace a previously released update.
Following is a sample that uses appcmd to set the passpord: