DUNS ERROR 643

643 - A network adapter at the server failed.

Check the Connectoid and make sure the correct number is being dialed and that it is configured correctly.

If you are using a modem in your machine to connect to the Internet and get this error, it may be an indication that Windows networking and/or the connectoid is not set up properly.

If you are on a network and the Internet connection is from another machine on the network, troubleshoot the machine with the modem, the network, and the client machine.

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