What could cause computers not to register with DNS server ?

nice343

I am testing a senerio, And from what I can see I can ping almost all devices on the network by the name not Ip address except 1 computer which for some reason I can ping with the Ip address but not the actual computer name.

jbaello

I would check the following:

1. Make sure it has the correct DNS server.
2. Make sure that it's on the same segment/vlan/subnet.
3. Make sure that there is no Primary DNS Suffix appended.
4. Make the client a member of the domain.
5. Under advance TCP/IP settings enable register to DNS.

This is what I can remember so far, hope it helps a bit.

blargoe

When you ping the host name does it resolve to a different address and then time out, or does it give you a "host could not be found"?

Tell us what is different about this computer from the other computers on your network.

Megadeth4168

Someone please correct me if I'm wrong, but I thought that the DHCP service had a key role to play in registering with DNS. Even on a static network, I think that if you have the DHCP service disabled that you would be unable to register DNS.

nice343

Router#ping computerclient4
Translating "computerclient4"...domain server (192.168.15.2)
% Unrecognized host or address, or protocol not running.

This is what I get when I ping the computer name form the router. I can ping the Ip address though

gojericho0

Are all these computers in a domain or workgroup?

Is 192.168.15.2 a Windows DNS server or are you using something else?

For the computers that you can't ping by name are they in your dns record? Do you have NETBIOS running as a backup for DNS?

Is the DNS client service running on all PC's?

For the PC that cannot ping using an IP, what message are you recieving when it fails? Is there a firewall configured on that PC?

sprkymrk

Are you running your own DNS server or using an ISP DNS server? If you are just using your ISP you'll not be able to ping by computer name unless you also have a WINS server.

nice343

I can sometimes I amaze my self at how I overlook things. Thanks guys for help. Problem solved

sprkymrk

nice343 wrote:

I can sometimes I amaze my self at how I overlook things. Thanks guys for help. Problem solved

What was it, for the inquiring minds who want to know?

JdotQ

Megadeth4168 wrote:

Someone please correct me if I'm wrong, but I thought that the DHCP service had a key role to play in registering with DNS. Even on a static network, I think that if you have the DHCP service disabled that you would be unable to register DNS.

(Someone correct me if I'm wrong!)

For clients greater that Win2000 (Win2000, WinXP, Server2003) When a client is setup to get a dynamic IP from the DHCP server, the DHCP server will only register the PTR record, while the client itself will register the A record.

If a client is older than Win2000 (Win98, Win95), the DHCP server will attempt to register both the PTR and A records.

If a client has a static address, it will attempt to register both the A and PTR records with the DNS server.

sprkymrk

JdotQ wrote:

Megadeth4168 wrote:

Someone please correct me if I'm wrong, but I thought that the DHCP service had a key role to play in registering with DNS. Even on a static network, I think that if you have the DHCP service disabled that you would be unable to register DNS.

(Someone correct me if I'm wrong!)

For clients greater that Win2000 (Win2000, WinXP, Server2003) When a client is setup to get a dynamic IP from the DHCP server, the DHCP server will only register the PTR record, while the client itself will register the A record.

If a client is older than Win2000 (Win98, Win95), the DHCP server will attempt to register both the PTR and A records.

If a client has a static address, it will attempt to register both the A and PTR records with the DNS server.

I think he was referring to the fact that it's the DHCP client service, not DNS client service, that registers DNS records. Which is correct by the way.

binarysoul

sprkymrk wrote:

nice343 wrote:

I can sometimes I amaze my self at how I overlook things. Thanks guys for help. Problem solved

What was it, for the inquiring minds who want to know?

Agreed We want to know the solution!