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error 678

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by v8_fourtwoseven

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Hello everybody! Nice to be here! (This is the first time I posted a question, my first time in this site actually!) I would really appreciate if anyone could really explain to me what happens to the computer when the error 678 error ocurrs. Being a tech support that I am, when I'm still doing DSL calls, all I do is have anyone with that error do several stuff when the members connection is enabled, like clearing temporary int files, forcing DNS, disabling firewall/ anti-virus....and if the same error occurs I transferred the call to our Tier 2, and nobody really able to give me a clear and definite explanation on that.

4 replies

by cg it

humm ok, theres a couple of error codes that pop up when someone is trying to remotely access another network over the Internet. One of them is 678. The user probably ran the new connection wizard for VPN PPTP dial in or DSL. the error 678 will pop up if a RRAS server doesn't respond. This can be due to a firewall not allowing PPTP or L2TP connections to pass through. Another code that pops up is 898 unable to authenicate.

by cg it

PPTP over port 1723 also requires GRE 47. many protocols require secondary port connections like FTP, which needs both port 20 and port 21 to properly work. Home users don't realize that multiple ports need to be open. So they call the help desk [mostly a nighmare] to get it to work.

by curlergirl

The reason you never get a clear and definite explanation is because there are so many different possible causes of this kind of problem. The error 678 itself simply points to some sort of communication problem between the computer that is dialing out and the computer that it is trying to connect to. It could be a bad modem, any number of incorrect configuration issues, problem on the phone line, etc., etc., and all of these things need to be checked to determine the cause.

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