Duplicate name exists on network

[Alok Pandey]

My new FQDN is as :
rev-zone file:
118      IN      PTR     snarayan_D1_Ub-32_118.in.xx.com.
119      IN      PTR     dell119.in.xx.com.
120      IN      PTR     ibasha_D1_XpSp2-64_120.in.xx.com.
121      IN      PTR     dsingh_D1_XpSp2-64_121.in.xx.com.
122      IN      PTR     ahiremath_D1_XpSp2-64_122.in.xx.com.
123      IN      PTR     nlocal_T1_Fe7-64_123.in.xx.com.
124      IN      PTR     nlocal_T1_Lan-I_124.in.xx.com.
125      IN      PTR     aroy125.in.xx.com.
In-zone file:
sarora_D1_XpSp2-64_115          IN A    192.168.0.115
silver_T1_Cnt-64_116            IN A    192.168.0.116
net-install     IN A            192.168.0.117
snarayan_D1_Ub-32_118           IN A    192.168.0.118
dell119         IN A            192.168.0.119
ibasha_D1_XpSp2-64_120          IN A    192.168.0.120
dsingh_D1_XpSp2-64_121          IN A    192.168.0.121
ahiremath_D1_XpSp2-64_122       IN A    192.168.0.122
nlocal_T1_Fe7-64_123            IN A    192.168.0.123
nlocal_T1_lan-I_124             IN A    192.168.0.124
aroy125         IN A    192.168.0.125
vksingh_D1_Fe7-64_126           IN A    192.168.0.126

In detail in represented  as :
snarayan_D1_Ub-32_118.in.xx.com. = username_DestoptNum_OS-arch_ip

Any suggestion is welcome ...

Thanks
Alok
Sujitkumar Shirkar wrote:
> Hello Alok,
>  
> what is your exact new FQDN? is it 
> "RAM_D1_Rhel5-64_192.168.1.41.xx.com" if yes then you need to remove 
> IP address from it. as in DNS every "." is considered as one child 
> domain. Also in your windwos DNS server check all host entries. is you 
> have same IP with two different host names.  thesn rectify it
>  
> Sujit
>
>
>
>
>
>
>
>
>
> o: alok.rhct at gmail.com; redhat-install-list at redhat.com
> > Date: Fri, 18 Jan 2008 11:39:23 -0700
> > CC:
> > Subject: Re: Duplicate name exists on network
> >
> >
> > On Thu, 17 Jan 2008 21:24:50 +0530, "Alok Pandey" <alok.rhct at gmail.com>
> > said:
> > > Hi
> > > I have a network mix OS of approx 30 machine. ( ie, OS as Xp, vista,
> > > Linux all flavour).
> > > I have a DNS and DHCP Services running on Linux box. Recently I 
> added a
> > > Win server 2000 box in the network and also renamed the FQDN of some
> > > old box connected with the same network.
> > > Now when ever I try to access machine with Host name, it shows an 
> error
> > > message as *duplicate name exists on your network.* Whereas I can
> > > successful access the same machine by IP, also the machine who's host
> > > name are not renamed , are accessible by name. My new FQDN contains 2
> > > special character "_ " and "-".( eg hostname is as :
> > > Name_D1_Rhel5-64_IP.xx.com) whereas previous it was simple on the 
> name
> > > of mountain( eg everest.xx.com).
> > >
> > > Now I am unable to figure out the cause of problem. Is it because 
> of new
> > > win server machine or dns or use of the special char or something 
> else,
> > > plz help.
> > >
> > > Note : I have central anti virus system (kaspersky), which is 
> installed
> > > on Win Server 2000. But the client deployment fail because of this
> > > duplicate name network problem.
> > >
> > > Thanks
> > > Alok
> >
> > Don't know if this is the only issue, but in newer versions of bind
> > underscores are generally not allowed in a hostname (RFC 952). If you
> > absolutely need to have a non conforming name you may be able to use the
> > "check-names" directive in your config file. You'll need to pass it a
> > few arguments (master ignore etc). I would recommend using a conforming
> > hostname.
> >
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