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Will Taylor
07-01-2003, 12:11
Got a muppet first liner with a problem - he's got a couple of NT workstations that cant communicate with the PDC on a DHCP NT domain. Can't ping by name or IP, comes up with "bad IP address <servername>" when you ping by name. Host files are correct, even put in an entry for the PDC and it hasn't sorted it. He's tried deleting all the Network components, and restoring them, no joy. Any one with any ideas?

He's getting really shirty, and I can't think of anything else to try.

Cheers,

Will
STiMPY
07-01-2003, 13:53
The most obvious things that spring to mind are:

1. Is he sure the workstations actually have a live network link? Tried different patch cables and RJ45 outlets? In fact get him to try this anyway even if it is live as I've seen an instance recently where a machine had a live feed but network service was extremely erratic. Turned out to be a fault in the CAT5 cable to the RJ45 socket.
2. Is he sure the workstations are actually set to receive an IP address via DHCP and not been 'accidentally' set to a static IP address?

If he can't ping by either name or IP it would indicate a physical link problem. If you could ping by IP but not by name it would indicate a name resolution problem and not a physical link issue.
Jezz_S13
07-01-2003, 14:00
is it actaully dhcp'ing?
ipconfig /release
ipconfig /renew

Assuming he has an IP address, can he ping the gateway?
Will Taylor
07-01-2003, 14:00
Like a cnut, I failed to mention that the machines can ping any otehr machine on the NW, and the DC can communicate with every other machine on the network...

They are definitely on DHCP...
STiMPY
07-01-2003, 14:07
No packet loss on the ping?
Jezz_S13
07-01-2003, 14:10
is the PDC in the same range/subnet as the rest of the network he can ping?

Is the gateway set correctly?
Chris_Lacey
07-01-2003, 15:35
Have the machines been incorrectly added to the domain, check the server manager and delete them if their names already exist.
Will Taylor
07-01-2003, 15:45
Already tried that one, but didn't work :(
Vez
07-01-2003, 16:42
What about DNS or WINS are these configured via dhcp? or are they a manual add? Netbios interface running?

Check with 'IPCONFIG /all'

Cause without one of these, the machines arent gonna be able to resolve IP to Name.
Will Taylor
07-01-2003, 16:56
WINS/DNS is done by DHCP, but no, it's not name resolution - they can't ping the DC by IP number

Cheers,

Will
Dave H
07-01-2003, 17:09
Didn't know some of you guys could speak Swahili!

That's what it looks like to me :rolleyes: :D
Martin T
07-01-2003, 17:47
Check routing and remote access on the servers. Sometimes Win2k svr and NT4 Svr just decide that they dont like a machine, and create entries to block IP traffic from those addresses.
Vez
07-01-2003, 18:08
Are you getting RPC errors?
Will Taylor
08-01-2003, 10:53
Martin : Righto, I'll have a looky

Vez: I'll also have a look for those on the event logs

Cheers for continued support chaps :)

Will