SharePoint Secrets

Background Sometimes SharePoint administrators would like to update content in their site in certain ways, but don't want everything to show up as being last modified by them by name. Instead, they would prefer that the record simply show that it was last updated by System Account . On the other hand, sometimes administrators are not sure why SharePoint shows them as being logged in as System Account and why everything they edit or upload is tagged as such. The Problem It is not immediately clear in SharePoint when the user will be shown as System Account. The options to control this are also not immediately obvious. At times the problem is even rooted in what account is being used to run the application pool for a web application. If the identity of the application pool is that of a particular administrator or if the administrator logs in as the farm account or the application pool account, then SharePoint will show that person as System Account. If none of these three is the case...