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Discussion Starter · #1 ·
4 XP Pro puters on home network:
(A) my puter: 1a, wives puter: 2a, both connected to router.
(B) sons puter: 1b, daughters puter: 2b, both connected to a hub which is connected to the router.

Within the past month, my daughter's puter will post, now and then, an error message, "Duplicate user already exists on network", after initial bootup and at the log on screen, before logging onto the puter. She would then click 'ok' and log onto her puter with no problem's.

Yesterday, my wive's puter displayed the same message on her puter.

All puter's have all sharing disabled, no mapped drives, XP firewall inabled as well as ZA Firewall basic installed and enabled. All have the same user group name: WORKGROUP.
We jus share the router for our internet connection (no internet connection sharing).

Where do I start to find the location and cause for this error message??
 

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Sounds like you have two computers with the same name, I'd check that.
 

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Are you sure it duplicate user and not duplicate name?

Can you check your computer name for all 4 PC's each should be unique if not then change them all to be unique (though if 3 PC's have this issue all 3 PC's have the same machine names and I'm not sure why that would be setup) check this by right clicking on your My Computer icon and then clicking on properties. Within there go to Computer Name your looking for full computer name not computer decirption.

If you are on on workgroup and your not getting Duplicate name but are getting duplicate user could it be that your all using the same username when logging in? Its sounding as such. My thoughts would be to make each user name unique. To do this go to control panel user accounts and change the working username that you log on with. Another thought is since your not sharing anything across any of the PC's you can change the workgroups of all 4 computers to be unique.

BTW I always advise not to use the default Workgroup as your home workgroup. Just because its default and thats what others wanting to be mischevious would look for.
 

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Since you are getting this error message before anyone has logged onto the computer, it seems unlikely that it is a duplicate user name. Also, you can easily have the same user logging in on multiple machines at the same time and not get this error.

So as other's have suggested, make sure each computer's name is different. One easy way is just to give them the same name as each person.

Also, since you are behind a router, you are reasonably well protected against anyone trying to hack into any default workgroup name. I mean who would want to spend all that time.
 

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Discussion Starter · #7 ·
Each puter has it's own user name, puter name, pass word as well as an admin pass word, in case I need to make n e changes. Each puter had been built within the past 3 to 10 months.

I'll make note of the actual message "user' or 'name'

Thanx.
 

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Since the error message appears to come up before any user is logged on, it is likely not anything to do with user names. You can easily have duplicate user names on the network anyway. I have several sites where for a variety of reasons, all the computers use the same user name.

So please note the exact error message and change the computer name to whatever you like. I generally recommend something that will make sense to you and the others in your house.
 

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Discussion Starter · #9 ·
Went through each individual puter, each user name and puter name are different.

I went ahead and changed each user name and puter name to something different than the original naming scheme.

Since the error message was spuradic, I will wait to see if this will occur again.

Thankx for you help, which is greatly appreciated.
 

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Discussion Starter · #16 ·
There are no duplicate names. As stated earlier, i ckecked and found no duplicate names.

I then changed all user names as well as all puter names.

No error messages, as of today, at this time.

But, as stated before, this has happened spuradicly in the past month.
 

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Discussion Starter · #19 ·
That is what I had done with Xp.

I did not use the 'computer description' box.

I used the 'change' button on the lower right.

Guees we will jus have to see if this occurs angain.

Thanx again.
 
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