How to change IP ADRESS on a WINDOWS SERVER 2008


I have a customer that is closing one of the offices and that office has the server with the ip, the other 2 locations have different ips' example: One location starts with and the other location with, we are moving the server to the location. If I change the ip address of the server to, will I have DNS problems or what other problem I may encounter?

Please advise.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
As long as this is NOT a DC, delete the DNS record when you change the network.  If it's set to register with DNS, it should and recreate the correct record.  If it's not, then manually create the record.

If it is a DC, you'll likely have to correct/modify sites and services and then remove all DNS references to the server.  Then change the IP and reboot.

What you will want to do is change the IP address to the that you mentioned assuming it is available and then make sure it is using the same DNS server as the server. Also, you may need to look in DNS manager both at the 10.0.0.# network and the 192.168.2.# network and make sure there is no reference to that server name and its old IP address. Make sure you drill down to all the folders withing DNS manager. Lastly, you will want to make sure you check the firewalls/routers/vpn boxes between these sites if one exists and make sure the routing is correct now that the 3rd office is being closed and if you are using any kind of hosts and/or lmhosts file you will want to make sure those are corrected as well.

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Brad HoweDevOps ManagerCommented:
Changing the Static IP of a Member Server will not have any impact or at least shouldn't.
If this server has any AD services, then you might want to stop them before the migration and think about a migration plan if they are to remain. As well, if you have any applicaitons Services (IIS, Certificate of Authorities etc...) then you may have configuration issues if the sites are statically bound to the old IP. Typically, they are set to ALL unassigned.
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chenzoviccAuthor Commented:
It is a DC with Active Directory.
Darius GhassemCommented:
Here are the steps on changing the IP address of a domain controller if you go through the steps you shouldn't have any issues with DNS.
Brad HoweDevOps ManagerCommented:
Correction - the proper article is
The previous one is for 2003 servers
chenzoviccAuthor Commented:
I did the changes but I noticed that my network is almost crawling and when connecting to the internet it takes close to 1 minute and 1/2 to load one page in all the computers.

Please advise.
Darius GhassemCommented:
Make sure you in your TCP\IP settings on your DC and clients that they now point to the new IP address that you have applied. Run dcdiag /fix

The article is the same procedure you would do with Windows 2008 server as Windows 2003 server but I like the Windows 2003 article because the 2008 article is missing the dcdiag /fix command which should be ran anytime you change a IP address of a DC.
chenzoviccAuthor Commented:
I am done.
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Windows Server 2008

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