NO, D is local driver. I setup PITR from 01/01/2011. It work well from 01->05/01/2011 (D:/3SDATABACKUP/PITR/WAL has 00000001000000040000005D) but error from 06/01/2011
those mappings are per user session specific, and the database service will not see them as it runs in a service session, not on the desktop session.... use a UNC instead if you are going across the network, eg, \\server\share\path\filename