How to migrate DNS, DHCP Server from 2003 to 2012

Hi all,
I have one old server running server 2003, and i need to migrate the dns and dhcp server to server 2012.
I found all the articles, there are only migrate from 2003 to 2008 or 2008 to 2012.
Is there anyway to migrate it?
Thanks.

Really confused why the "answer" to this thread states it can't be done, when clearly it can. This is the official approach (article dated Oct 2013):
Migrate DHCP Server to Windows Server 2012 R2
Within, you'll see that it says:
This guide provides instructions for migration of a DHCP server from a server that is running Windows Server 2003 or a later operating system to a server running Windows Server 2012 R2. Supported operating systems are listed in the following table.
Mike Crowley | MVP
My Blog --
Planet Technologies

Similar Messages

DHCP failover from 2003 to 2012?

I know 2012 has some new DHCP failover features built in but our DC's are still 2003. :(
I'm looking for suggestions / options on how to handle this scenario. Upgrading all of the DC's isn't an option at the moment.

Hi,
The question is a little broad. How many 2012 servers are you planning to introduce and are all your DCs also DHCP servers? Are you upgrading in place or migrating to new hardware? If some DHCP servers are not also DCs I would focus on these first.
See this topic for some suggestions about how to migrate the configuration once you are ready:
Migrate to DHCP Failover.
If all your DHCP servers are also DCs I suggest adding a 2012 server to the environment and making it only a DHCP server, then add this DHCP server to your existing domain. Keep in mind that adding a 2012 server or 2012 R2 server to a 2003 domain will automatically
update the schema. I don't know if this will have any consequences for your environment - probably not - but I wanted to make you aware that this will happen.
-Greg

Migrating DHCP Server From OpenSuse to Windows Server 2008 R2 Standard

Hello,
I'm planning to migrate a DHCP server from OpenSuse to Windows Server 2008.
Is there any procedures for that ,Or should i configure my Windows server 2008 DHCP service again.
Thank you

Hi,
I have done somthing similar in the past. Basically i got exported all the scopes and settings from the linux dhcpd service, then created the scopes in Windows, stop linux dhcp service and start windows one. Use conflict detection setting to leverage any
IPs lease from linux server.
Hope it helps.
Regards,
Calin

PKI Migration from 2003 to 2012

Hi,
I need to migrate PKI win 2003 setup to 2012 setup. Currently, I have one Root CA ( w2003) and 2 SubCA (2003) and one Sub CA(2008) and future scenario would be one root (2012) and two Sub CA(2012). PLease let me know how shall we proceed with migration and
key points to look for. I would like to know how to make sure of successful template replication; also how autoenrolled certificates will be migrated. Please suggest.
Also, since there is no enterprise version availabe in 2012, datacentre version will work for me for SUb CA, right ?
Thanks

Hi
Migrate CA from 2003 to 2012 is almost is the same as to 2012, we can refer the following step by step article first:
How to migrate CA from Server 2003 to Server 2008 R2 – Part III Restore CA on Destination Server
http://blogs.technet.com/b/csstwplatform/archive/2012/04/30/how-to-migrate-ca-from-server-2003-to-server-2008-r2-part-iii-restore-ca-on-destination-server.aspx
More related KB:
AD CS Migration: Preparing to Migrate
http://technet.microsoft.com/en-us/library/ee126102(v=ws.10).aspx
AD CS Migration: Migrating the Certification Authority
http://technet.microsoft.com/en-us/library/ee126140(v=ws.10).aspx
Active Directory Certificate Services Migration Guide
http://technet.microsoft.com/en-us/library/ee126170(v=ws.10).aspx
I’m glad to be of help to you!
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

DNS/DHCP app no longer sees DNS/DHCP server.

When I moved the majority of my Netware 6 servers to OES-NW last year, I started using iManager to handle admin duties for DNS and DHCP.
With a planned move to OES-L coming up, I tried accessing both services using the DNS/DHCP java console.
While I am able to log into that console, I am unable to see my DNS/DHCP server or any of the expected components for either service (DHCP pools, zone records, etc...).
I have tried both the console that is installable from the server and the newer LDAP-based version.
I have tried both 32 and 64-bit versions on XP and Windows 7, respectively.
Since I want to move those services to OES/Linux and the java console is the only mechanism that can administrate the services on that platform, I am perplexed.
My needs are simple, and I could easily move those duties to a SUSE server or even a Windows server, but that is not my preference.
Any ideas on where to begin troubleshooting are welcome.

On 06.08.2012 21:56, gathagan wrote:
>
> When I moved the majority of my Netware 6 servers to OES-NW last year, I
> started using iManager to handle admin duties for DNS and DHCP.
>
> With a planned move to OES-L coming up, I tried accessing both services
> using the DNS/DHCP java console.
>
> While I am able to log into that console, I am unable to see my
> DNS/DHCP server or any of the expected components for either service
> (DHCP pools, zone records, etc...).
>
> I have tried both the console that is installable from the server and
> the newer LDAP-based version.
> I have tried both 32 and 64-bit versions on XP and Windows 7,
> respectively.
>
> Since I want to move those services to OES/Linux and the java console
> is the only mechanism that can administrate the services on that
> platform, I am perplexed.
> My needs are simple, and I could easily move those duties to a SUSE
> server or even a Windows server, but that is not my preference.
>
> Any ideas on where to begin troubleshooting are welcome.
You have more than one DNS-DHCP locator object in your tree, and the
console is picking up a/the empty one. Find the proper object (look at
the other tab in consoleone or imanager to see if it's connected with
servers zones and the like), and delete the superflouos ones.
This is an *extremely* common problem when OES gets introduced into a
tree, as it by default creates new locator objects in the server
container, if it's not configured otherwise.
CU,
Massimo Rosen
Novell Knowledge Partner
No emails please!
http://www.cfc-it.de

How to migrate a web app from JDev 904 to JDev10132?

Hi,
I'm looking for any recommendation on how to migrate a web application from JDev 904 to JDev 10132? The application uses BC4J, Struts and DataTags.
Is there tool support to migrate from DataTags to ADF DataBinding?
Any hints are welcome.
Thanks,
Markus

There is no automated migration of jbo data tags to the new binding architecture.
see:
http://www.oracle.com/technology/products/jdev/htdocs/10.1.3.0.3/desupport1013g.html

How to migrate the data flow from DB CONNECT sourse system from 3.5 to BI

Hi
can any one tell me how to migrate the data flow from DB CONNECT sourse system from 3.5 to BI 7.

Hi,
Go to Infoprovider to which your DB connect DS feeds and Right Click on Data source-> Then Migrate-> With Export---> You have to build new 7.0 Transformations and DTP's etc.
~AK

Windows Migration from 2003 to 2012

Hi,
When I try to complile my vb6 code, it gives me "ActiveX component cannot create object" in half way of compiling. Advice me to get over the error.

Hi,
Did you have any migration issue during migration from 2003 to 2012?
There are several causes, for example
The class isn't registered.
A DLL required by the object can't be used, either because it can't be found, or it was found but was corrupted.
For more detail information, you could refer to this article:
http://msdn.microsoft.com/en-us/library/aa231060(v=vs.60).aspx
Meanwhile, the issue is more related to VB6 code issue, so i suggest that you may ask in vb forums for more support:
https://social.msdn.microsoft.com/Forums/vstudio/en-US/home?forum=vbgeneral
Regards.
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

DHCP Mirgation from 2008 to 2012

Hi,
I am migrating DHCP server 2008 to 2012
Environment. Please let me know the Best practice of migration.
I have configured DHCP failover in Windows 2008 R2
Environment.
Any help would be very grateful.
Thankx & Regards,
DD6

Hi,
This type of question is already running in technet portal.
http://social.technet.microsoft.com/Forums/en-US/fed16caa-fb53-4037-a578-5f8dfc61e4e3/dhcp-failover-migrate-dhcp-server-to-another-machine?forum=winservergen
Process of Migration DHCP Server 2008R2 to Windows 2012
• Firstly, you can disable the DHCP role in Windows Server 2008 R2. However, if the Windows Server 2012 is down, the clients cannot renew their IP lease duration and obtain IP address.
Therefore, it is recommended to leave the DHCP role in Windows Server 2008 R2 and deploy high availability. Windows Server 2012 brings the new feature: DHCP failover. However it requires both DHCP Servers are Windows Server 2012. Consider another Server
is Windows Server 2008 R2, we have to choose one of the following:
>> DHCP in a Windows failover cluster. This option places the DHCP server in a cluster with an additional server configured with the DHCP service that assumes the load if the primary DHCP server fails. The clustering deployment option uses a single
shared storage. This makes the storage a single point of failure, and requires additional investment in redundancy for storage. In addition, clustering involves relatively complex setup and maintenance.
>> Split scope DHCP. Split scope DHCP uses two independent DHCP servers that share responsibility for a scope. Typically 70% of the addresses in the scope are assigned to the primary server and the remaining 30% are assigned to the backup server.
If clients cannot reach the primary server then they can get an IP configuration from the secondary server. Split scope deployment does not provide IP address continuity and is unusable in scenarios where the scope is already running at high utilization of
address space, which is very common with Internet Protocol version 4 (IPv4).
More references:
Step-by-Step: Configure DHCP for Failover (Windows
Server 2012)
How
to configure split-scope using wizard
DHCP
Step-by-Step Guide: Demonstrate DHCP Split Scope with Delay on a Secondary Server in a Test Lab
DHCP
Step-by-Step Guide: Demonstrate DHCP Failover – Clustering in a Test Lab
If you need snap shot of migration then follow these links.
http://blogs.technet.com/b/canitpro/archive/2013/04/29/step-by-step-migration-of-dhcp-from-windows-server-2003-to-windows-server-2012.aspx
http://www.mehrban.net/migrating-dhcp-from-windows-2008-to-windows-2012
Deepak Kotian. MCP, MCTS, MCITP Exchange 2010 Ent. Administrator Disclaimer: Please take a moment to "Vote as Helpful" and/or "Mark as Answer", where applicable. This helps the community, keeps the forums tidy, and recognizes useful
contributions. Thanks! All the opinions expressed here is mine. This posting is provided "AS IS" with no warranties or guarantees and confers no rights.

Upgrade from 2003 to 2012

when migrate from 2003 to 2012 server all user and ou in activedirectiry go to server 2012 or not
can upgrade from 2003 to 2008 to 2012 or not

Yes, you can add a 2012 server as a domain controller in your 2003 R2 functional level Active Directory. All AD information will replicate to the 2012 DC.
http://blogs.technet.com/b/canitpro/archive/2013/05/27/step-by-step-active-directory-migration-from-windows-server-2003-to-windows-server-2012.aspx
. : | : . : | : . tim

Credentials needed to raise domain and forest level from 2003 to 2012 R2.

I migrated our environment from a single DC server 2003 to a single DC server 2012 R2. I followed the migration process that is documented by Microsoft and others.
However, I forgot to assign my account Enterprise Admin and Schema Admin before raising the domain and forest levels from 2003 to 2012 R2. My account did have domain admin. The GUI interface did not complain when I raised the level of the domain
and then the forest.
So I am thinking everything is OK.
My question is am I going to have problems down the road with the AD environment?
Thanks for any help or opinions.

Using snapshot for a domain controller is not recommended, as usn rollback can occur. Allthough in server 2012 using snapshot for dc's has been improved and made 'safer', but I wouldnt use it as a backup solution.
But back to your problem, Beaulieu, is it a single domain/single forest design? And the issue is that you have no membership in schema- and enterprise admins, but you do have an domain admin?
Best Regards,
Jesper Vindum, Denmark
Systems Administrator
Help the forum: Monitor(alert) your threads and vote helpful replies or mark them as answer, if it helps solving your problem.

External DNS server not replicating records to secondary after migration from 2003 to 2012

Hi
I have a query relating to 2012 Server and DNS.
Last week we de-commissioned our primary external DNS server (Windows 2003 Server) and moved the role over to a new Windows 2012 server.
Since this point replication to our secondary server (3rd party hosted) does not seem to occur and our DNS records seem to have expired on the secondary server as we cannot look these up via nslookup.
I cannot see any failures in the event log of the server; I have checked our external firewall logs and nothing is being blocked inbound/ outbound as far as I can see. And the server’s local firewall has been disabled.
The server is a standalone server in a workgroup with a standard filebased primary zone, with no AD integration and recursion disabled.
When I created the zone I copied the .dns file from the old server and selected this in the interface during the creation of the zone on the new server. The new server has the same internal and external IP as the old server and the old server is off-line.
I have also manually increased the serial number of the zone and still no joy.
One thing that I have noticed is when I open the zones properties/Name Servers and click edit on the external nameserver I get the infamous "The server with this IP address is not authoritative for the required zone" error.
Any help Would be appreciated, thanks in advance

Nice to hear that you are close in finding the problem. So in short:
You have enabled Zone transfers in DNS management console for the applicable zone
You have verified that your DNS is listening to the correct interfaces
You have enabled firewall rules to accept TCP and UDP traffic to port 53
You have checked if "BIND secondaries" option is applicable to your case
You have initiated a zone transfer from the secondary server
Lefteris Karafilis
MCSE, MCTS, SEC+
LinkedIn: http://www.linkedin.com/in/lkarafilis
Mail: [email protected]
Blog: http://www.karafilis.net

DNS EventID 4015 on PDC since Domain Migration from 2003 R2 = 2012

Hi,
following problem here:
2 Domain Controllers with AD Integrated DNS Zone, migrated from 2003 R2 to 2012. One Single Root Forest.
The Primary Domain Controller shows every 2, 3 or 4 hours the DNS EventID 4015. No further error is available: (which is may emty) "".
Only on the Details pane you can find this Information:
======================================
- System
- Provider
   [ Name] Microsoft-Windows-DNS-Server-Service
   [ Guid] {71A551F5-C893-4849-886B-B5EC8502641E}
   [ EventSourceName] DNS
- EventID 4015
   [ Qualifiers] 49152
   Version 0
   Level 2
   Task 0
   Opcode 0
   Keywords 0x80000000000000
- TimeCreated
   [ SystemTime] 2013-12-10T19:48:17.000000000Z
   EventRecordID 2456
   Correlation
- Execution
   [ ProcessID] 0
   [ ThreadID] 0
======================================
The Migration was made by the following steps:
Bring Up the first 2012 MigrationDC as 3rd DC to the Domain.
Move the FSMO Roles to the 2012 MigrationDC
DHCP Data migrated with Server Migration Tools, IAS Data with iasmigrader.exe exported
DCPromo DC1 (2003 R2) and Format C:
Install a fresh 2012 Installation on old DC1 an rename it again with the original Name DC1
DHCP Data migrated with Server Migration Tools, IAS Data with iasmigrader.exe exported
DCPromo DC2 (2003 R2) and Format C:
Install a fresh 2012 Installation on old DC2 an rename it again with the original Name DC2
Move Back the FSMO Roles to DC1
DCPromo the first 2012 MigrationDC
Metadata Cleanup for MigrationDC
DCDIAG /V /C Shows no Errors, all works good, the funny Thing is, that only DC1 Shows the DNS EventId 4015 in production evironment. The only exception is, that if you reboot DC1 (i.e. for maintenance, upates etc) than the error appears on DC2. Exactly on
that time, if DC1 is temporarily not availble and DC2 is under "load". If DC1 is back again, the Event 4015 Ends on DC2 and Comes back to DC1!!!
I backupped and restored DC1 and DC2 in an lab Environment, the funny Thing is that the EventID 4015 doesnt appear in lab Environment. The difference between prod and lab is: prod is bare metal with 2 teamed nics, lab is hyper-v vm's with 2 virtual teamed
nics. same IP's etc... DNS NIC Settings are the same.
It Looks like you can only produce the error in the production lab if you have the DC under "load".
This Event was discussed here more than one time in the Forum, but the issues doesnt match 100% to my Problem. No RODC is available in my prod Environment, the EventID 4015 has no further Errors "" in the Eventlog like in other Posts.
Ace Fekays blog :" Using ADSI Edit to resolve conflicting or duplicate AD Integrated Zones" was helpful for metadata cleanup, but it could not fix the EventId 4015 away. Because we had no Problems with disappearing zones...
Maybe Enabling NTDS Verbose Logging in the registry is helpful, but i dont know for what i have to Keep an eye out?
The thread
http://social.technet.microsoft.com/Forums/windowsserver/en-US/c0d3adb4-67d2-470c-97fc-a0a364b1f854/dns-server-error-event-id-4015-after-replacing-domain-controller-with-another-using-same-name?forum=winserverDS seems to match to my Problem, but also no
soulution available...
Any ideas what causes this "ugly" Event without noticable consequences?

Zonenname
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Cache
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_msdcs.our-domain-name.com
Primary
AD-Forest
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0.168.192.in-addr.arpa
Primary
AD-Domain
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Rev
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1.1.10.in-addr.arpa
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AD-Domain
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1.168.192.in-addr.arpa
Primary
AD-Domain
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Rev
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1.18.172.in-addr.arpa
Primary
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10.10.10.in-addr.arpa
Primary
AD-Domain
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10.21.172.in-addr.arpa
Primary
AD-Domain
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11.10.10.in-addr.arpa
Primary
AD-Domain
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11.18.172.in-addr.arpa
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11.21.172.in-addr.arpa
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11.24.172.in-addr.arpa
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11.25.172.in-addr.arpa
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11.30.172.in-addr.arpa
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128.168.192.in-addr.arpa
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13.21.172.in-addr.arpa
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13.24.172.in-addr.arpa
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13.25.172.in-addr.arpa
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13.30.172.in-addr.arpa
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130.168.192.in-addr.arpa
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15.18.172.in-addr.arpa
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15.21.172.in-addr.arpa
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15.24.172.in-addr.arpa
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15.25.172.in-addr.arpa
Primary
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15.29.172.in-addr.arpa
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15.30.172.in-addr.arpa
Primary
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16.10.10.in-addr.arpa
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16.168.192.in-addr.arpa
Primary
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16.172.in-addr.arpa
Primary
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17.172.in-addr.arpa
Primary
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17.21.172.in-addr.arpa
Primary
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17.24.172.in-addr.arpa
Primary
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17.25.172.in-addr.arpa
Primary
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17.29.172.in-addr.arpa
Primary
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17.30.172.in-addr.arpa
Primary
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19.21.172.in-addr.arpa
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19.24.172.in-addr.arpa
Primary
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19.25.172.in-addr.arpa
Primary
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196.169.193.in-addr.arpa
Primary
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2.21.172.in-addr.arpa
Primary
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20.10.in-addr.arpa
Primary
AD-Domain
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20.172.in-addr.arpa
Primary
AD-Domain
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200.168.192.in-addr.arpa
Primary
AD-Domain
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21.21.172.in-addr.arpa
Primary
AD-Domain
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21.24.172.in-addr.arpa
Primary
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21.25.172.in-addr.arpa
Primary
AD-Domain
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23.21.172.in-addr.arpa
Primary
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23.24.172.in-addr.arpa
Primary
AD-Domain
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23.25.172.in-addr.arpa
Primary
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23.30.172.in-addr.arpa
Primary
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239.24.217.in-addr.arpa
Primary
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25.21.172.in-addr.arpa
Primary
AD-Domain
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25.24.172.in-addr.arpa
Primary
AD-Domain
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25.25.172.in-addr.arpa
Primary
AD-Domain
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25.30.172.in-addr.arpa
Primary
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252.21.172.in-addr.arpa
Primary
AD-Domain
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252.22.172.in-addr.arpa
Primary
AD-Domain
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252.23.172.in-addr.arpa
Primary
AD-Domain
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252.24.172.in-addr.arpa
Primary
AD-Domain
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252.25.172.in-addr.arpa
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252.30.172.in-addr.arpa
Primary
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253.18.172.in-addr.arpa
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253.21.172.in-addr.arpa
Primary
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253.22.172.in-addr.arpa
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253.23.172.in-addr.arpa
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253.24.172.in-addr.arpa
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253.25.172.in-addr.arpa
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253.26.172.in-addr.arpa
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253.29.172.in-addr.arpa
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253.30.172.in-addr.arpa
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254.168.192.in-addr.arpa
Primary
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254.18.172.in-addr.arpa
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254.21.172.in-addr.arpa
Primary
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254.22.172.in-addr.arpa
Primary
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254.23.172.in-addr.arpa
Primary
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254.24.172.in-addr.arpa
Primary
AD-Domain
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Rev
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254.25.172.in-addr.arpa
Primary
AD-Domain
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Rev
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254.29.172.in-addr.arpa
Primary
AD-Domain
Secure
Rev
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254.30.172.in-addr.arpa
Primary
AD-Domain
Secure
Rev
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255.10.10.in-addr.arpa
Primary
AD-Domain
Secure
Rev
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27.21.172.in-addr.arpa
Primary
AD-Domain
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27.25.172.in-addr.arpa
Primary
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27.30.172.in-addr.arpa
Primary
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29.25.172.in-addr.arpa
Primary
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29.30.172.in-addr.arpa
Primary
AD-Domain
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3.18.172.in-addr.arpa
Primary
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Rev
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3.21.172.in-addr.arpa
Primary
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3.22.172.in-addr.arpa
Primary
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3.23.172.in-addr.arpa
Primary
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3.24.172.in-addr.arpa
Primary
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3.25.172.in-addr.arpa
Primary
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3.26.172.in-addr.arpa
Primary
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3.29.172.in-addr.arpa
Primary
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3.30.172.in-addr.arpa
Primary
AD-Domain
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31.172.in-addr.arpa
Primary
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Secure
Rev
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31.25.172.in-addr.arpa
Primary
AD-Domain
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32.168.192.in-addr.arpa
Primary
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33.25.172.in-addr.arpa
Primary
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35.25.172.in-addr.arpa
Primary
AD-Domain
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37.25.172.in-addr.arpa
Primary
AD-Domain
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39.25.172.in-addr.arpa
Primary
AD-Domain
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41.25.172.in-addr.arpa
Primary
AD-Domain
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43.25.172.in-addr.arpa
Primary
AD-Domain
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45.25.172.in-addr.arpa
Primary
AD-Domain
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47.25.172.in-addr.arpa
Primary
AD-Domain
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49.25.172.in-addr.arpa
Primary
AD-Domain
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5.18.172.in-addr.arpa
Primary
AD-Domain
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5.19.172.in-addr.arpa
Primary
AD-Domain
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5.21.172.in-addr.arpa
Primary
AD-Domain
Secure
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5.22.172.in-addr.arpa
Primary
AD-Domain
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5.23.172.in-addr.arpa
Primary
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5.24.172.in-addr.arpa
Primary
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5.25.172.in-addr.arpa
Primary
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5.29.172.in-addr.arpa
Primary
AD-Domain
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5.30.172.in-addr.arpa
Primary
AD-Domain
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50.168.192.in-addr.arpa
Primary
AD-Domain
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51.25.172.in-addr.arpa
Primary
AD-Domain
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52.168.192.in-addr.arpa
Primary
AD-Domain
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53.25.172.in-addr.arpa
Primary
AD-Domain
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54.168.192.in-addr.arpa
Primary
AD-Domain
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55.25.172.in-addr.arpa
Primary
AD-Domain
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60.168.192.in-addr.arpa
Primary
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62.168.192.in-addr.arpa
Primary
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64.168.192.in-addr.arpa
Primary
AD-Domain
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7.168.192.in-addr.arpa
Primary
AD-Domain
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7.18.172.in-addr.arpa
Primary
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7.21.172.in-addr.arpa
Primary
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7.22.172.in-addr.arpa
Primary
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7.23.172.in-addr.arpa
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7.24.172.in-addr.arpa
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7.25.172.in-addr.arpa
Primary
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7.29.172.in-addr.arpa
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7.30.172.in-addr.arpa
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70.168.192.in-addr.arpa
Primary
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80.168.192.in-addr.arpa
Primary
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88.168.192.in-addr.arpa
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9.18.172.in-addr.arpa
Primary
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9.21.172.in-addr.arpa
Primary
AD-Domain
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9.22.172.in-addr.arpa
Primary
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9.23.172.in-addr.arpa
Primary
AD-Domain
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9.24.172.in-addr.arpa
Primary
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9.25.172.in-addr.arpa
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9.29.172.in-addr.arpa
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9.30.172.in-addr.arpa
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our-domain-name.com
Primary
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Agi
ng
TrustAnchors
Primary
AD-Forest

How to replace DHCP server from domainA with DHCP from domainB?

Hello fellow Administrators,
We have one remote site with one subnet. There's domainA domain controller and about 100 domainA's client computers in that subnet. We're about to send 100 domainB's client computers there as well.
There's also domainA's DHCP server running on the same subnet. DHCP scope options include domainA's domain name, gw and domainA's DNS server addresses.
DomainA and DomainB belongs to separate forests and there's two-way trust between them. DomainA DNS has stubzone for DomainB and DomainB has stubzone for domainA. That's how
clients can resolve hostnames of other domain.
All domainA's clients in remote site will be replaced gradually with domainB's client computers, but this can take a long time.
I want to note, that I cannot create second subnet for domainB at the moment.
At some point, we need to deploy DHCP server to domainB's member server in the remote site. What are the steps I should take to replace existing domainA's DHCP server with domainB's DHCP server while still allowing clients from domainA and domainB to successfully
find domain controller of their own domain and being able to resolve hostnames from both domains?

When the devices on your network first request an IP address or reach the end of their leases (or you force them to check their lease is still valid) they will simply
broadcast a request for a DHCP server, and will accept an offer from the first DHCP server
to reply.
Multiple DHCP servers PT 1: Spanning multiple subnets.
If you have several VLANs or physical network segments that are separated into different subnets, and you want to provide a DHCP service to devices in all those subnets then there are two ways of doing this.
If the router / layer 3 switch separating them can act as a BOOTP/DHCP relay agent, then you can continue to keep all your DHCP server(s) in one or two central parts of your network and configure your DHCP server(s) to support multiple ranges of addresses.
In order to support this, your router or layer 3 switch must support the BOOTP relay agent specification covered in section
4 of RFC 1542.
If your router does not support RFC 1542 BOOTP relay agents, or if some of your network segments are geographically dispersed over slow links, then you will need to place one or more DHCP server in each subnet. This ‘local’ DHCP server will only serve its own
local segment’s requirements, and there is no interaction between it and other DHCP servers. If this is what you want then you can simply configure each DHCP server as a standalone server, with the details of the address pool for its own subnet, and not worry
about any other DHCP servers on other parts of the network. This is the most basic example of having more than one DHCP server on the same network.
http://www.arabitpro.com

Migrate MOSS 2007 Server from Server 2003 (32-bit) to Server 2008

I have a client with MOSS 2007 installed on Windows Server 2003, and a database server (SQL 2005) also on Server 2003. they have two new Windows Server 2008 servers, and they wish to do a migration. They have custom Features, including Event Receivers
installed in their environment.
Do I need to install the 32-bit edition of MOSS 2007 on the new server in order to be able to use the pre-compiled custom Features used in the current server?
My plan is to do the following:
(a) Migrate databases from current database server (SQL 2005) to new database server (SQL 2008),
(b) Re-assign SQL redirection to new database server (the database was previously on the same box as the WFE, and this was separated out last year to another server, but redirecting the SQL Server,
(c) Install MOSS 2007 (32-bit) on the other new server
(d) Patch both instances of MOSS 2007 to the same point
(e) Create (dummy) site collection on new server, and install all custom Features on server
(f) Add new server to existing Farm
(g) Remove previous server from Farm
What must I do to install existing custom Features on new server?
Is there anything that I have left out of the process? Do I need to do anything about the SSP running on the current server?

Thanks Keith for your reply.
Even is USMT does not work, we are ok. SMIGdeploy will be helpful.
Basically, want MDT to run some scripts on the Windows 2003 server, post which install Windows 2012 and join it to the existing domain with the same computer name.
Then hydration kit to help with the installation of features etc. Also, we would like to take a complete backup to a WIM before migrating.
I am sure this is workable.
Regards, Vik Singh "If this thread answered your question, please click on "Mark as Answer"

How to migrate DNS, DHCP Server from 2003 to 2012

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