Took me a while to try this but it works very well. Thanks for the
link, Chris.
Bill Lambert
Concuity
847-941-9206
From: Chris Orovet [mailto:coro...@atsi-inc.com]
Sent: Thursday, July 16, 2009 3:22 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
Was checking
://technet.microsoft.com/en-us/library/cc958920.aspx
Don K
From: Eric E Eskam ees...@usgs.gov
To: NT System Admin Issues ntsysadmin@lyris.sunbelt-software.com
Sent: Wednesday, July 15, 2009 5:04:47 PM
Subject: Re: DHCP Failover
Micheal Espinola Jr michealespin...@gmail.com
.
From: Eric E Eskam [mailto:ees...@usgs.gov]
Sent: Wednesday, July 15, 2009 6:05 PM
To: NT System Admin Issues
Subject: Re: DHCP Failover
Micheal Espinola Jr michealespin...@gmail.com wrote on 07/14/2009
02:37:02 PM:
Windows Server comes with a DHCP server. In terms of failover
Micheal Espinola Jr michealespin...@gmail.com wrote on 07/14/2009
02:37:02 PM:
Windows Server comes with a DHCP server. In terms of failover, there
is no such thing for DHCP.
For Microsoft DHCP maybe, but ISC DHCP supports failover:
http://www.iqware.co.uk/dhcp-3.php
We use it and it
Admin Issues
Subject: Re: DHCP Failover
Micheal Espinola Jr michealespin...@gmail.com wrote on 07/14/2009 02:37:02 PM:
Windows Server comes with a DHCP server. In terms of failover, there
is no such thing for DHCP.
For Microsoft DHCP maybe, but ISC DHCP supports failover:
http
Brrr, its DRAFTy in here! ;-) But not really a NT System Admin
solution. I hear Windows 2008 will be drafty as well...
--
ME2
On Wed, Jul 15, 2009 at 6:04 PM, Eric E Eskamees...@usgs.gov wrote:
Micheal Espinola Jr michealespin...@gmail.com wrote on 07/14/2009 02:37:02
PM:
Windows
I thought when using Windows DHCP in an active Directory site you could
have multiple DHCP servers without conflicts?
Ronald Wulff Jr
412.288.3601
rwu...@reedsmith.com
Reed Smith LLP
20 Stanwix St
Suite 1200
Pittsburgh, PA 15222
From: Bill Lambert [mailto:blamb...@concuity.com]
Windows Server comes with a DHCP server. In terms of failover, there
is no such thing for DHCP. However, you can setup multiple DHCP
servers to be redundant by running multiple DHCP servers - as long
as they do not have overlapping IP scopes.
--
ME2
On Tue, Jul 14, 2009 at 2:19 PM, Bill
You can cluster DHCP using MSCS. This requires shared storage, but there is no
software cost beyond the 2 Windows licenses.
-Original Message-
From: Micheal Espinola Jr [mailto:michealespin...@gmail.com]
Sent: Tuesday, July 14, 2009 2:37 PM
To: NT System Admin Issues
Subject: Re: DHCP
Well there is a cheap solution and it is not real time. Write a script to go
to each DHCP server and copy the DHCP backup folder to a central location.
That backup is generated daily and in the event you lose a DHCP server you
could put DHCP on another server and restore the backup files. If
, John [mailto:john.sen...@etrade.com]
Sent: Tuesday, July 14, 2009 2:47 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
Well there is a cheap solution and it is not real time. Write a script
to go to each DHCP server and copy the DHCP backup folder to a central
location. That backup
Yanno, if I had the where-with-all, I'd write an app that would do the
failover...I think it would sell.
Bill Lambert
Concuity
847-941-9206
From: Don Guyer [mailto:don.gu...@prufoxroach.com]
Sent: Tuesday, July 14, 2009 1:51 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
I would bet this will be really easy to do with powershell commands in Windows
2008.
From: Bill Lambert [mailto:blamb...@concuity.com]
Sent: Tuesday, July 14, 2009 2:56 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
Yanno, if I had the where-with-all, I'd write an app that would do
Subject: RE: DHCP Failover
Yanno, if I had the where-with-all, I'd write an app that would do the
failover.I think it would sell.
Bill Lambert
Concuity
847-941-9206
From: Don Guyer [mailto:don.gu...@prufoxroach.com]
Sent: Tuesday, July 14, 2009 1:51 PM
To: NT System
To: NT System Admin Issues
Subject: Re: DHCP Failover
I used to wonder about DHCP failover then someone pointed out to me that
leases are usually measured in days so you really do have time to setup
an alternate server.
James
- Original Message -
From: Bill Lambert
Windows Server 2008 R2 has DHCP replication. While that won't solve your
problem today, it will solve it very soon. :)
Thanks,
Brian Desmond
br...@briandesmond.com
c - 312.731.3132
Active Directory, 4th Ed - http://www.briandesmond.com/ad4/
Microsoft MVP -
, July 14, 2009 2:02 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
I would bet this will be really easy to do with powershell commands in Windows
2008.
From: Bill Lambert [mailto:blamb...@concuity.com]
Sent: Tuesday, July 14, 2009 2:56 PM
To: NT System Admin Issues
Subject: RE: DHCP
Cool...that'll be the cats pajamas!
Bill Lambert
Concuity
847-941-9206
From: Brian Desmond [mailto:br...@briandesmond.com]
Sent: Tuesday, July 14, 2009 2:31 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
Windows Server 2008 R2 has DHCP replication. While that won't solve
That's my stance in most flat networks, if your standard lease time is 8
days, and you cant seem to manage to get your dhcp server up or a new one up
in less than that you have more problems J
Even a new dhcp server if a computer is in the scope will 'request' to keep
the same ip and be
, 2009 1:51 PM
To: NT System Admin Issues
Subject: RE: DHCP Failover
That’s exactly our DR steps for DHCP.
Don Guyer
Systems Engineer - Information Services
Prudential, Fox Roach/Trident Group
431 W. Lancaster Avenue
Devon, PA 19333
Direct: (610) 993-3299
Fax: (610) 650-5306
Yes you can definitely import reservations. I had done it a while ago
so I don't remember the command to import. Just google import dhcp
reservations. That is what I did.
Thanks,
Krishna Reddy
IT Manager
Nucomm, Inc.
From: Oliver Marshall
From: Oliver Marshall [mailto:[EMAIL PROTECTED]
Subject: DHCP failover and reservations
Hi,
When you are setting up a secondary DHCP server for a failover setup, is
there a way to import the reservations from the existing DHCP server or do
they have to be entered manually? We have a lot
If you just mean having a second server with the SAME scope, but service
disabled unless needed, then yes.
From the live server, run
netsh dhcp server export c:\dhcp.txt all
For the backupserver, run
Netsh dhcp server import c:\dhcp.txt all
-Bonnie
From: Oliver Marshall [mailto:[EMAIL
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