Summer '15 Login As Security Enhancement for Documents and File downloads
|Knowledge Article Number||000220440|
|Description||Salesforce login access is now more secure. By design, you cannot download documents or files when logging in as a user. This was a design consideration to deter or prevent potential malicious use of provided login access.
This is a change across the board in that Salesforce Partners as well as Salesforce Employees, including Support agents will not be able to download documents from an environment using the "Login As" or "Subscriber" action.
User's will now be presented with the following message upon attempting to download files or content:
You do not have the level of access necessary to perform the operation you requested. Please contact the owner of the record or your administrator if access is necessary. For more information, see Insufficient Privileges Errors.