Biztalk 2010 FTP Adapter Issue

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biztalk

I have two applications in biztlk2010
1.with orchestration (Let This be A)
2.without ochestration (Let this be B)

in A file is send to folder called Backup,it is in ftp server.From A B fetches file and put into another folder called Backupclient.

B fetches through FTPAdapter.Here in this i'm getting a WARNING : FTP adapter raise the message that specific pwd for FTP server is in correct but this same Username and Pwd works in A.

When i tried to connect FTP server in biztalk server command prompt im getting this error:

Response: 530 Login incorrect.

Still i gave a try this credentials in browser it works in browser out of biztalk server but not in browser with biztlk server..!

Is this problem with FTP Server or my Receive port configuration.?

Pls help me out..!!