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In cmd prompt i tried ftp ftp.(Computer Name)that is local area network but it shows unknown host name error.

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There needs to be an FTP server running on the target machine before you can access it. – Abraxas Jul 19 '11 at 6:58
please explain clearly – Manoj Jul 19 '11 at 7:03

This is a DNS lookup issue - you shouldn't prefix with "ftp."

Just run "ftp computername".

You can also test this by trying to ping the machine in question: "ping ftp.computername" will fail to resolve (with a slightly more meaningful message than the FTP client gives), whereas "ping computername" will respond to ping (unless security software is preventing this).

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it shows could not find the host error – Manoj Jul 19 '11 at 6:59
Make sure your FTP server software is able to respond. You can verify this by running "telnet computername 21" (turns out telnet is not enabled by default: Also make sure your FTP server is setup to use port 21 (the default), or else you'll have to specify the port when you run ftp. – Stefan Mohr Jul 19 '11 at 7:04

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