Re: DNS Server Problems - Keep having to restart the DNS service
- From: "Ace Fekay [MVP]" <PleaseAskMe@xxxxxxxxxxxxxx>
- Date: Thu, 25 Jan 2007 23:51:36 -0500
In news:1168878929.876294.63130@xxxxxxxxxxxxxxxxxxxxxxxxxxx,
eggedd2k <chrisnrach17@xxxxxxx> stated, which I commented on below:
For about a week now during the day our office internet connection
goes down. When it goes down I have to restart the DNS service on our
server which brings the internet back online.
Our DNS server has forwarders set-up to send external requests to an
external internet based DNS server. We use NAT to share internet
access throughout the office.
When the connection goes down we can access websites by using IP
address. This obviously confirms the problem is DNS based.
Whilst restarting the DNS service on our server sorts the problem I do
need to find out what's causing it to go down.
There are no errors or warning messages in the event log.
Any advice welcomed!
I assume that the DNS server is multihomed. (On another hand, I hope that it
is not a DC for multihomed DCs can cause other issues). I've seen this
happen when any one of the NICs that DNS is set to use goes asleep, such as
if one of the NICs is connected to a PPPoE device (Weastell DSL modem). When
the modem falls asleep, so does DNS, then you'll need to restart the
service.
Try setting the modem to keep the connection 24/7, otherwise (recommended
anyway) is to disable one of the NICs, and get an inexpensive Linksys
Cable/DSL router and connect that to the modem and let it keep the
connection connected 24/7. Plug your DNS server into the switch and you're
good to go.
--
Ace
Innovative IT Concepts, Inc (IITCI)
Willow Grove, PA
This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.
Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer
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