Rsync password not working

[Sajida]

Hi,

      I have installed CYGWIN in my windows 2000 prof machine .I want to automate the RSYNC backup .The rsync --password-file=filename doesn't seems to work .If i schedule the backup , the rsync asks for password at
the scheduled time .Please help me to automate the Rsync without asking password
 thanks & regards
Sajida

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