MCSE - Re: Leasing Time Issue

11-24-2005, 07:51 PM

Again these five clients aren't releasing the ip, they are unable to
renew
it or receive acknowledgement of a leased ip.
Something else on your network could be providing dhcp. A router that is

dhcp enabled or a rogue dhcp server could be doing it.
So, between yesterday and today you have had your dhcp server service
stopped and you have rebooted 100 clients to test this theory?--And you
have
checked all 100 machines for alternate configurations?
You might want to post in the windows networking group next.
--
LRM

"fmsmcse" <> wrote in message
news

55F10B0-84AF-48AB-A23B-...
> That happens to 5 out of 100 machines and I've checked for alternate
IP
> configs and there's nothing configured.
>
> The question is, why do these 5 clients only always release they IP?
>
> "LRM" wrote:
>
>>
>>
>> "fmsmcse" <> wrote in message
>> news:8A2A00D1-0C26-4652-A4F2-...
>> > Ok, gotcha, but what if I tell you that I stopped the DHCP service
and
>> > rebooted 5 machines, 2 2k and 3 XP and only one XP got itself an
APIPA
>>
>> A client will try to renew it's address when it is restarted,
>> when ipconfig /renew is issued or when it reaches 50% of it's lease
>> duration. If it fails during the last it will try again at 87% of the

>> lease
>> duration.
>>
>> > all the other kept their addresses as per the leasing period.
>>
>> This would not be likely. What is most likely occuring is that an
>> alternate
>> cofiguration has been added to the machines that seem to be renewing
sans
>> the DHCP server. I have had to do this in some really trashed
networks to
>> provide addresses for clients while fixing a DHCP server.
>> >
>> > How do you explain all being rebooted and just one doing what you
said
>> > it's
>> > supposed to do?
>>
>> I can't explain why your clients aren't doing what they are supposed
to
>> be
>> doing without more information.
>>
>> > Besides, I've not found a clue in the MS documentation regarding
your
>> > point,
>> > stating the client would release the IP if it can not contact the
DHCP
>> > server, could you provide it?
>>
>> The client in a restart is requesting a renewal, it is not issuing a
>> release.
>>
>> >Again, I just want help, I'm do not want to get
>> > into a "fight".
>>
>> Check out this site and see if it helps:
>>
http://www.microsoft.com/resources/d...P/all/reskit/e
n-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-u
s/prjj_ipa_mbhh.asp
>>
>> LRM
>>
>>
>>

Pedro Simoes

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11-24-2005, 07:51 PM	#1
	Re: Leasing Time Issue Again these five clients aren't releasing the ip, they are unable to renew it or receive acknowledgement of a leased ip. Something else on your network could be providing dhcp. A router that is dhcp enabled or a rogue dhcp server could be doing it. So, between yesterday and today you have had your dhcp server service stopped and you have rebooted 100 clients to test this theory?--And you have checked all 100 machines for alternate configurations? You might want to post in the windows networking group next. -- LRM "fmsmcse" <> wrote in message news55F10B0-84AF-48AB-A23B-... > That happens to 5 out of 100 machines and I've checked for alternate IP > configs and there's nothing configured. > > The question is, why do these 5 clients only always release they IP? > > "LRM" wrote: > >> >> >> "fmsmcse" <> wrote in message >> news:8A2A00D1-0C26-4652-A4F2-... >> > Ok, gotcha, but what if I tell you that I stopped the DHCP service and >> > rebooted 5 machines, 2 2k and 3 XP and only one XP got itself an APIPA >> >> A client will try to renew it's address when it is restarted, >> when ipconfig /renew is issued or when it reaches 50% of it's lease >> duration. If it fails during the last it will try again at 87% of the >> lease >> duration. >> >> > all the other kept their addresses as per the leasing period. >> >> This would not be likely. What is most likely occuring is that an >> alternate >> cofiguration has been added to the machines that seem to be renewing sans >> the DHCP server. I have had to do this in some really trashed networks to >> provide addresses for clients while fixing a DHCP server. >> > >> > How do you explain all being rebooted and just one doing what you said >> > it's >> > supposed to do? >> >> I can't explain why your clients aren't doing what they are supposed to >> be >> doing without more information. >> >> > Besides, I've not found a clue in the MS documentation regarding your >> > point, >> > stating the client would release the IP if it can not contact the DHCP >> > server, could you provide it? >> >> The client in a restart is requesting a renewal, it is not issuing a >> release. >> >> >Again, I just want help, I'm do not want to get >> > into a "fight". >> >> Check out this site and see if it helps: >> http://www.microsoft.com/resources/d...P/all/reskit/e n-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-u s/prjj_ipa_mbhh.asp >> >> LRM >> >> >> Pedro Simoes