Deleting Remote server files using batch

HI,

I am getting error "UNC Path Not Supported" while deleting Remote files older than 30 day.

following command which used for deleting remote server file name.

Remote server name : WO5.

forfiles /p \\W05\c$\Feed\ArchiveFile\ /d -30 /c "cmd /c DEL @FILE".

while running this batch i am getting error "UNC Path Not Supported".

Please help me to solve this problem.

Thanks,