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Computer specified is already on net

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12 replies

by whistl3r 1 view

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Usually, changing the computer name resolves the issue, however, this is a new install and the name given is unique. Even entering another unique name I still receive the message.

12 replies

by sgt_shultz

you sure it is name and not ip address ? maybe flush the arp cache? we'll need to know your os of course to give exact instructions. why not try start/run/cmd the arp -r
then try setting up a static address --?
also you can try ipconfig /flushdns
i'd look in the event log and try posting the complete and exact error you find there...

by zlitocook

You may have done this already but did you delete the computer name from active directory? A couple of companys that I worked for also used the nic's address for security. If there is a computer that you can not see and you delete it from AD the helpdesk will hear about it fast.

by whistl3r

Well, the error generated was during the setup of a new machine, during which "Computer specified is already on the network" displayed... however, I disconnected the image from the network and was able to bypass that proceedure.

This is what i've found so far.

http://www.eventid.net/display.asp?eventid=4319
http://www.eventid.net/display.asp?eventid=3033

However, does not explain why I receive the error "Computer specified is already on the network" or "A duplicate name exists on the network".

by whistl3r

Yes, I've changed IP's, DHCP to static and vice versa. Repaired the stack, uninstalled and reinstalled the stack. Flushed dns queried nbtstat and nothing is conflicting. Changed the computer names to anything unique, error(s) still displays on every boot.

This is not a AD network.

by sue t

I am assuming this is XP. When you change the name are you logged on as the administrator account that is created during the installation of the OS? I know there isn't supposed to be any difference between admin accounts but I have seen a couple of things that make me question if there is a difference between this admin account and any others you create.

by whistl3r

Yes, this is XP.. I just logged into and noticed the error on 3 other computers on my home network. They too are NT based, 2000, 2000server and XP. Each and every one of them have a unique name and static IP.

Furthermore; I'm not sure why TR changed this case to answered.

by whistl3r

Interesting that I am able to connect to UNC paths with no problems, however, when the computers cycle to the login the error "Computer specified is already on the network" displays, but does not happen every time.

Currently I have plenty of IP's to dish out, in fact, 27 hosts.

I'm at witts end here. The network and OS's are setup correctly :(

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