When using the Terminal Services client with the printers option selected to connect to a Windows Server 2008 R2 machine, it may log an error TerminalServices-Printers error 1111 in the System Event logs.
Log Name: System
Source: TerminalServices
Event ID: 1111
Level: Error
Driver PRINTERDRIVER required for printer PRINTERNAME is unknown. Contact the administrator to install the driver before you log in again.