Re: How to replace single domain controller in domain with a singl
- From: Meinolf Weber <meiweb(nospam)@gmx.de>
- Date: Fri, 28 Nov 2008 10:31:08 +0000 (UTC)
Hello danyadd,
As stated in the article (http://technet.microsoft.com/en-us/library/cc794951.aspx)
Although you can use System Properties to rename a domain controller (as you can for any computer), Active Directory and DNS replication latency might temporarily prevent clients from locating or authenticating (or both) to the renamed domain controller. To avoid this delay, you can use the Netdom command-line tool to rename a domain controller.
Doesn't matter when you change the ip.
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers no rights.
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Thanks very much for your reply,
I think I will follow the first procedure because I don't have a temp
DC to
add to the domain.
I have two more questions.
1) Renaming the DC:
I didn't know about the Netdom.exe command-line tool way.
I was thinking to use the System Properties user interface (UI).
What's the difference?
2) Should I first change IP address or DC name?
Thanks
"Meinolf Weber" wrote:
Hello danyadd,
After preparing the domain for 2008 with adprep command you can
follow the arcticle. If all is done, remove the old machine from the
network and then rename the DC and change the ip address to the old
one. Also you have to delete in AD sites and services the old DC
name, not done during demotion.
Rename 2008 DC:
http://technet.microsoft.com/en-us/library/cc794925.aspx
Another way would be more work but also more secure for AD:
- install a temp DC in the domain, move all 5 FSMO roles, make it GC
and
DNS (Ad integrated zones), export of DHCP database for 2008 choose
"netshell
dhcp backup" and "netshell dhcp restore" command
(http://technet.microsoft.com/en-us/library/cc772372.aspx)
- run dcdiag, netdiag and repadmin /showrepl to check for errors
- prepare the domain for 2008
- demote the old DC to member server, reboot and rename it, reboot
and change
the ip address and run ipconfig /registerdns, check the DNS zones for
the
correct changes ip/name
- install the 2008 with the old ip/name and promote, make it DNS
server,
GC and move all 5 FSMO roles, import of DHCP database for 2008 choose
"netshell
dhcp backup" and "netshell dhcp restore" command
(http://technet.microsoft.com/en-us/library/cc772372.aspx)
- run dcdiag, netdiag and repadmin /showrepl to check for errors
- move the files/printers
- remove the old 2003 member machine from the domain
- demote the temp DC to member server and remove it from the domain
- check DNS configuration and remove old server entries if exist
- open AD sites and services and remove the old DC's from the list
- run dcdiag, netdiag
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and
confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm
We are planning to replace our only domain controller running
Windows
2003
x86 standard SP2 with a new server running Windows 2008 x64
standard.
We have a single Windows2003 native forest, single domain, with 1
domain
controller. The server to be replaced holds the all the FSMO roles.
We
are running Active Directory Integrated DNS on the server we are
replacing.
It is critical for us to keep the same server name and IP address
for
the new server, because everything on our network is pointing to the
server we are replacing.
I've found this page
http://support.microsoft.com/default.aspx/kb/555549/en-us
but i'd like to know:
1) Is this article applicable also to Windows 2003 -> Windows 2008 ?
2) How can I keep the same server name and IP address ?
Thanks in advance for any tips or useful links
Daniele
.
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