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DPChallenge Forums >> Hardware and Software >> iMac hostname message - Please advise
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Showing posts 1 - 8 of 8, (reverse)
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08/03/2012 05:45:19 PM · #1
Left my computer on last night and woke up to a message on the screen.

Message says:

This Computer's local hostname "xxxxxx-iMac.local" is already in use on this network. The name has been changed to "xxxxxx-imac-2.local"
To change the local hostname, open System Preferences and click sharing, then click "Edit" and type the name in the Local Hostname field.


I have no idea what this means. I haven't change anything so don't know why I have the message.

Can someone enlighten me.

Thanks
08/03/2012 09:15:26 PM · #2
are you running WiFi through a router? Or through the internal WiFi? Or both? Did you upgrade to Mountain Lion?
08/03/2012 09:30:30 PM · #3
I don't know, but I would:

- turn off computer.
- turn off and unplug modem AND router
- wait 2 minutes
- plug up modem and let it cycle up
- plug up router and let it do its thing
- boot computer
- hope it is fixed

08/03/2012 10:41:03 PM · #4
My Mac is connected directly to the modem/router.

The computer and internet are working fine.

My concern is that something else may be happening - virus or something.
Could this be the case?
08/03/2012 11:48:49 PM · #5
Not a virus. Have had it happen a couple of times here. If you are using a router, once in a while the router gets confused and thinks you are a second computer with the same name. I set my router to issue static addresses, so I haven't seen this in a long time. But it isn't serious.
08/04/2012 12:12:58 AM · #6
If it has internal WiFi, that may have come on somehow too. I connect through a WiFi router, but when I turn on the internal WiFi, it has to have a separate/different name.
Surely not a virus, as has been said. Get ClamXav off App Center and (schedule) run it weekly to check for viruses anyway. Better safe than...
08/04/2012 03:54:01 AM · #7
its nothing you just cant have two host with the same name, most likeky your dhcp didnt refesh its table in the modem, unless you are on a shared network.

its not a problem unless you are runnign a complicated network but then you wouldnt be running dhcp for servers anyway so its not a problem
08/04/2012 07:19:04 PM · #8
Thanks everyone for your help.
I was concerned that it may be something bad happening but glad it's not.

Will get an antivirus on I think.

Once again THANK YOU
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