Sorry for the delay in my reply, Comcast has been having problems with our
email...

In regards to the dhcp, we've checked all the usual problem areas, but can
find no obvious "mess ups".

This all started about three weeks ago, prior to that the dhcp has worked
fine from the beginning (a couple/few years).

We can think of nothing we have done recently that would be a cause.

Could a "bad" switch or hub cause this issue.  I don't mean a "router".  We
have 4 of 5 of them throughout the buildings, and I was wondering if one
went "bad" would that be enough to screw up dhcp?????



James E Harvey
Hanover Shoe Farms, Inc.
M.I.S./Corresponding Officer
Off: 717-637-8931
fax: 717-637-6766
email: [EMAIL PROTECTED]


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
Of Jim Dettman
Sent: Tuesday, May 15, 2007 3:49 PM
To: [email protected]
Subject: RE: [NF] Problematic DHCP


James,

  A 169. address is the auto configure address that Windows uses when it
cannot get a address from a DHCP server. 

Two things:

1. Make sure you have enough free addresses in your DHCP pool.

2. Make sure any static address is excluded from the pool (ie. was a printer
or other piece of equipment added lately?).

JimD

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of James E Harvey
Sent: Tuesday, May 15, 2007 11:26 AM
To: [EMAIL PROTECTED]
Subject: [NF] Problematic DHCP

The last couple of weeks our users have been having issues getting logged on
to our domain due to IP address not being assigned properly (169 rather than
a 192)

The system event log shows the following error message with an Event ID of
1002:

"The IP address lease %1 for the network adapter with MAC address %2 has
been denied by the DHCP server %3 (The DHCP server sent a DHCPNACK 
message)."

We thought it was a rogue router with DHCP turned on but it turns out that
wasn't the case.

If we do the "repair" through the GUI, or ipconfig /release&renew at the
command prompt we can usually get the user a valid IP address and they're
good to go, until the next time they need to log on.

We can't see where anything on the DHCP server that appears obviously out of
norm...

Any thoughts would be appreciated.

TIA


James E Harvey
Hanover Shoe Farms, Inc.
M.I.S./Corresponding Officer
Off: 717-637-8931
fax: 717-637-6766
email: [EMAIL PROTECTED]



[excessive quoting removed by server]

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