Re:No leases from DHCP server
- From: "Scott Weidman" <slmcweidman@xxxxxxxxx>
- Date: Wed, 19 Oct 2005 06:18:33 -0700
WS CAN ping gateway
WS CAN ping ISP's DNS
CS CANNOT ping server at all
WS have sp2 and firewall enabled
Sserver CAN ping WS
DNS log shows nothing but stopping and starting service
I'm not incredibly well versed in DNC and DHCP, so recreating a scope is a
bit intimidating. Then again, not sure things can get much worse. I have 3
hours before work starts to get this done. Please keep it coming.
"kj" <kj@xxxxxxxxxxx> wrote in message
news:uzOY4$G1FHA.3896@xxxxxxxxxxxxxxxxxxxxxxx
> Well imho you've got a couple of things going on.
> The event log relates to registering the client in DNS, but won't stop
> DHCP from giving out an address.
> Still it won't hurt to re-authorize your DHCP server. Then start and stop
> (or just restart) the DHCPserver.
>
> Dhcploc may help determining what is going on.
>
> Can the WS ping the gateway (by ip)? - if so can the WS ping the ISP's DNS
> server (by ip)?
> Can the WS ping the SBS server (by ip)
> If your ws's have SP2 and firewall enabled, icmp is disabled by default.
> Your workstations may not respond to ping from the server. If the WS's
> can't resolve the server name through dns, pings to the server (name) may
> fail from the WS's
>
> Anything in the DNS event log?
>
> --
> /kj
> "Scott Weidman" <slmcweidman@xxxxxxxxx> wrote in message
> news:u02lelF1FHA.1040@xxxxxxxxxxxxxxxxxxxxxxx
>> In looking at my event viewer I found an error (below) then ran the
>> command line they suggested. Attached is the result. Any ideas, please.
>>
>> Event Type: Warning
>> Event Source: DhcpServer
>> Event Category: None
>> Event ID: 1056
>> Date: 10/18/2005
>> Time: 7:06:49 PM
>> User: N/A
>> Computer: CAPTAIN101
>> Description:
>> The DHCP service has detected that it is running on a DC and has no
>> credentials configured for use with Dynamic DNS registrations initiated
>> by the DHCP service. This is not a recommended security configuration.
>> Credentials for Dynamic DNS registrations may be configured using the
>> command line "netsh dhcp server set dnscredentials" or via the DHCP
>> Administrative tool.
>>
>>
>> Data:
>> 0000: 00 00 00 00 ....
>>
>>
>> "Lanwench [MVP - Exchange]"
>> <lanwench@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>> message news:u1Y$gWF1FHA.3924@xxxxxxxxxxxxxxxxxxxxxxx
>>>
>>>
>>> In news:uqNcwDF1FHA.4040@xxxxxxxxxxxxxxxxxxxx,
>>> Scott Weidman <slmcweidman@xxxxxxxxx> typed:
>>>> Until about 3 hours ago I had no problems, my network was solid,
>>>> everyone saw each other and internet was fine. I was told in a
>>>> nother post to rerun Internet and email connection wizard, again. Since
>>>> then, my SBS server isnot being seen by anyone. I managed to
>>>> get it out to the internet, but it is not assigning leases. I have
>>>> assigned static IP addreses to all, 7, of my machines, and was doing
>>>> fine.
>>>> Now
>>>> nothing. Any ideas would be great.
>>>
>>> Event logs?
>>> What happened 3 hours ago?
>>> ISA? Hardware firewall?
>>> "Being seen by anyone" = ?
>>>
>>>
>>
>>
>>
>
>
.
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