A. This functionality occurs by design. Each logon session receives its own list of drives, so mapped drives can’t be shared among separate processes running under different accounts, nor can drives be shared between separate logon sessions or services. The one exception is drive letters mapped from a service running in the context of the local System, which are visible to all logon sessions. This is a change from Windows 2000 and earlier functionality, which had one set of drive letters for the entire system