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Changing name or IP address on Domain Controller

Author
27 Jan 2006 11:51 PM
Mark Levy
Are there any unforseen ramifications to changing the IP address or name of
a domain controller?  What about a DC that's also a DNS server.

Obviously, I'll need to change the appropriate entries in DNS, but it's been
my experience with other directory services, that I've had to run certain
additional repairs to other replication partners.

Thanks,

Mark

Author
28 Jan 2006 5:07 AM
Cary Shultz
Mark,

There should not be any problems with giving it a new IP Address (naturally
assuming that this IP Address is not part of any DHCP Scope that might be
given out to a DHCP Client).  Just make sure that the new IP Address is part
of the correct Site (as defined by the Active Directory Sites and Services)
and that you manually verify that all has happened as it should.

I would also suggest that you run the following from a command prompt after
you change the IP Address:

net stop netlogon
ipconfig /flushdns
ipconfig /registerdns
net start netlogon

Do you have the Support Tools installed on this Domain Controller?  I am
pretty sure the netdiag /fix could help as well.

--
Cary W. Shultz
Roanoke, VA  24012

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"Mark Levy" <no-m***@nowhere.com> wrote in message
news:%23FDHIy5IGHA.1836@TK2MSFTNGP11.phx.gbl...
> Are there any unforseen ramifications to changing the IP address or name
> of a domain controller?  What about a DC that's also a DNS server.
>
> Obviously, I'll need to change the appropriate entries in DNS, but it's
> been my experience with other directory services, that I've had to run
> certain additional repairs to other replication partners.
>
> Thanks,
>
> Mark
>
>
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Author
30 Jan 2006 3:11 PM
Mark Levy
Thanks for the info!  Actually, I was just planning on restarting the server
once I had made the change.

Mark

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"Cary Shultz" <cwshu***@mvps.org> wrote in message
news:ODPeMj8IGHA.3120@TK2MSFTNGP10.phx.gbl...
> Mark,
>
> There should not be any problems with giving it a new IP Address
> (naturally assuming that this IP Address is not part of any DHCP Scope
> that might be given out to a DHCP Client).  Just make sure that the new IP
> Address is part of the correct Site (as defined by the Active Directory
> Sites and Services) and that you manually verify that all has happened as
> it should.
>
> I would also suggest that you run the following from a command prompt
> after you change the IP Address:
>
> net stop netlogon
> ipconfig /flushdns
> ipconfig /registerdns
> net start netlogon
>
> Do you have the Support Tools installed on this Domain Controller?  I am
> pretty sure the netdiag /fix could help as well.
>
> --
> Cary W. Shultz
> Roanoke, VA  24012
>
> "Mark Levy" <no-m***@nowhere.com> wrote in message
> news:%23FDHIy5IGHA.1836@TK2MSFTNGP11.phx.gbl...
>> Are there any unforseen ramifications to changing the IP address or name
>> of a domain controller?  What about a DC that's also a DNS server.
>>
>> Obviously, I'll need to change the appropriate entries in DNS, but it's
>> been my experience with other directory services, that I've had to run
>> certain additional repairs to other replication partners.
>>
>> Thanks,
>>
>> Mark
>>
>>
>
>
Author
28 Jan 2006 11:59 AM
Jorge de Almeida Pinto [MVP]
before configuring the new IP address, first determine which
functionalities/services are being provided by the server that should get a
new IP.
After that determine for each service how it is used by other clients and
servers.
An example:
If that server hosts DNS that could mean:
* Clients reference that server from their TCP/IP DNS settings provided by
DHCP (so you need to change the DHCP options)
* Servers reference that server from their TCP/IP DNS settings (so you need
to change the TCP/IP DNS settings )
* The DNS service itself registers record in DNS so you would need to
restart the DNS service

etc.




--

Cheers,
(HOPEFULLY THIS INFORMATION HELPS YOU!)
# Jorge de Almeida Pinto #
MVP Windows Server - Directory Services
BLOG --> http://blogs.dirteam.com/blogs/jorge/default.aspx
-----------------------------------------------------------------------------
* This posting is provided "AS IS" with no warranties and confers no rights!
* Always test before implementing!
-----------------------------------------------------------------------------


-----------------------------------------------------------------------------
Show quoteHide quote
"Mark Levy" <no-m***@nowhere.com> wrote in message
news:%23FDHIy5IGHA.1836@TK2MSFTNGP11.phx.gbl...
> Are there any unforseen ramifications to changing the IP address or name
> of a domain controller?  What about a DC that's also a DNS server.
>
> Obviously, I'll need to change the appropriate entries in DNS, but it's
> been my experience with other directory services, that I've had to run
> certain additional repairs to other replication partners.
>
> Thanks,
>
> Mark
>
>
Author
30 Jan 2006 3:10 PM
Mark Levy
Thanks for the info!

Mark

"Jorge de Almeida Pinto [MVP]"
<SubstituteThisWithMyFullNameSeparatedByD***@gmail.com> wrote in message
Show quoteHide quote
news:u0ZMVJAJGHA.3492@TK2MSFTNGP09.phx.gbl...
> before configuring the new IP address, first determine which
> functionalities/services are being provided by the server that should get
> a new IP.
> After that determine for each service how it is used by other clients and
> servers.
> An example:
> If that server hosts DNS that could mean:
> * Clients reference that server from their TCP/IP DNS settings provided by
> DHCP (so you need to change the DHCP options)
> * Servers reference that server from their TCP/IP DNS settings (so you
> need to change the TCP/IP DNS settings )
> * The DNS service itself registers record in DNS so you would need to
> restart the DNS service
>
> etc.
>
>
>
>
> --
>
> Cheers,
> (HOPEFULLY THIS INFORMATION HELPS YOU!)
> # Jorge de Almeida Pinto #
> MVP Windows Server - Directory Services
> BLOG --> http://blogs.dirteam.com/blogs/jorge/default.aspx
> -----------------------------------------------------------------------------
> * This posting is provided "AS IS" with no warranties and confers no
> rights!
> * Always test before implementing!
> -----------------------------------------------------------------------------
>
>
> -----------------------------------------------------------------------------
> "Mark Levy" <no-m***@nowhere.com> wrote in message
> news:%23FDHIy5IGHA.1836@TK2MSFTNGP11.phx.gbl...
>> Are there any unforseen ramifications to changing the IP address or name
>> of a domain controller?  What about a DC that's also a DNS server.
>>
>> Obviously, I'll need to change the appropriate entries in DNS, but it's
>> been my experience with other directory services, that I've had to run
>> certain additional repairs to other replication partners.
>>
>> Thanks,
>>
>> Mark
>>
>>
>
>
Author
30 Jan 2006 3:45 PM
Paul Williams [MVP]
One gotcha to watch out for is that the server services aren't listening on
a specific IP.  For example, DNS or DHCP.  You can configure these (and
others) to listen on a specific interface.

Otherwise, it is as Cary and Jorge state.  I've documented the process here:
-- http://www.msresource.net/content/view/22/47

--
Paul Williams
Microsoft MVP - Windows Server - Directory Services
http://www.msresource.net | http://forums.msresource.net

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