Re: Domain Controller takes a long time to boot up
- From: "Ace Fekay [MVP]" <PleaseAskMe@xxxxxxxxxxxxxx>
- Date: Sun, 20 Apr 2008 01:02:33 -0400
In news:%23tKO24WoIHA.1768@xxxxxxxxxxxxxxxxxxxx,
C C <someone@xxxxxxxxxxxxxxx> typed:
Hello.
We had to shutdown servers in our computer room last
night due to high temp. The AC condenser froze.
After the AC was back to normal, I started the DC's first.
DC1 took a long time to boot up. It stayed long on the
"Preparing network connections" then on the next one
I couldn't remember. So I started up the DC2. That
took a long time to boot up too.
What do I need to know to speed up the bootup of
Domain Controllers with Active Directory?
Thanks in advance.
DNS can have alot to do with it, but can't say for sure without knowing your
config. What DNS servers are configureed in the DC's IP properties?
If you have one of the replica DCs in the Site as the first entry and itself
as the second entry, I can see why when booting both DCs up at the same time
they can't find their DNS server, even if it is itself, because it goes
through the DNS resolver resolution process time-out before it goes to the
second one to find the DC, which even if itself.
If you have itself listed first, then a replica DC in the same subnet as
it's second one it will boot quicker.
If you have your ISP's listed in the config, it will be problematic because
the cardinal rule is to not use your ISP anywhere other than a forwarder.
If you can post an unedited ipconfig /all of both DCs, it will be extremely
helpful towards a diagnosis.
Thanks,
--
Regards,
Ace
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
For urgent issues, you may want to contact Microsoft PSS directly. Please
check http://support.microsoft.com for regional support phone numbers.
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