HP thin client does not get dhcp ip whereas laptop in same port, same cable does

Posted on 2009-02-18
Last Modified: 2013-11-09
Hi, We have a new thin client (WinCE 5.0) that wont pick up an IP address, but the same physical network connection to a laptop will. The thin client is set to dhcp and worked in the office before it was sent out. It is at a remote office on managed WAN. There are 8 other clients at the office that have no trouble (HP) getting dhcp, but most of them are fat clients and one is a HP thin client (t5525 or 5725 from iirc) running Linux and it has no problems.
Thin client is a HP T5530 Win CE 5
Between dhcp server and it is: dhcpserver->router->wan->router->hub->thin client.
If there is a way to fix this up remotely that would be great, otherwise it may work being manually set - I will travel out if so, but my worry is there is some incompatibility with the NIC in the thin client and dhcp over router hops or something like that?
Question by:cameronsaa
    LVL 2

    Assisted Solution

    If it was working in your office before you sent it out, a driver problem is unlikely.  I'd look for the obvious, like a disabled network adapter (either in bios or the OS). I'd say it's more likely that the copper connectors inside the network port on the thin client got bent or broken than some wild incompatability.

    Please note that I can't speak much about winCE 5.0, so there might be some other stuff possible there.  I'm just speaking from general experience with the same type of problem on other types of devices.

    Author Comment

    Thanks, its definitely not hardware related. I've been working through this issue with a staffer up there. Its not a disabled adapter. Another thin client plugged into the same port also doesn't get IP, but they both work in other ports. We tried setting it to static ip, tried reserving an ip on the server etc nothing.
    As mentioned, laptops/fat clients plugged into this port also have no problems. I can't see how it could be anything other than an incompatibility, such as the one mentioned on HP website regarding Cisco switches and PORTFAST. There is a Cisco router in there, not a switch, but I'm guessing that port is configured differently to the others, as it seems to bother thin clients only, but laptops are ok. I'll check it out and get back.

    Author Comment

    Ok, got a staffer to switch thin clients. Known good thin client also doesn't get IP from that port, but laptops still do. The thin client plugged into a different port has no problems, so I'm guessing a config on the connection somewhere in the chain is annoying the thin clients. I'm now trying to telnet the router but unfortunately the password hasn't been documented!

    Accepted Solution

    Issue was the 10 year old hub/switch (NetGear Dual Speed DS116) / WinCE 5.0 combo - plugged that wall socket into a spare adsl modem/router/switch and plugged the thin client in as well, and its fine. Will be upgrading that hub pronto. Thanks for your help, dm7941

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