Home > MS: AD, Group Policies, PKI, MS: Server OS (W2008/W2008R2) > How to detect applications using "hardcoded" DC name or IP?

How to detect applications using "hardcoded" DC name or IP?


http://blogs.technet.com/b/pie/archive/2014/07/13/how-to-detect-applications-using-hardcoded-dc-name-or-ip.aspx

Minimizing Risk During AD Upgrades:

http://blogs.technet.com/b/glennl/archive/2010/08/13/minimizing-risk-during-ad-upgrades.aspx

After you change the IP address of a domain controller, you should run the ipconfig /registerdns command to register the host record and dcdiag /fix command to ensure that service records are appropriately registered with DNS”

nltest /dsregdns

dcdiag /fix

you can change the IP address on domain controller without any problem. Also point its new private IP address as primary DNS in TCP/IP property and other DNS servers as secondary. After change, reboot the DC or run at least "ipconfig /flushdns & ipconfig /registerdns" to re-register the ip address in the DNS zones.

ALso make sure that all other machines relying on this DC has to get the new address, either with DHCP or fixed settings.

Upgrade Domain Controllers to Windows Server 2012 R2 and Windows Server 2012:
http://technet.microsoft.com/library/hh994618.aspx#BKMK_UpgradePaths

Migrating Domain Controllers From Server 2008 R2 to Server 2012 R2:
http://jackstromberg.com/2013/10/migrating-domain-controllers-from-server-2008-r2-to-server-2012-r2/

Simple Guide : How to Rename Server 2012 AD Host Name?

http://mizitechinfo.wordpress.com/2013/06/11/simple-guide-how-to-rename-server-2012-ad-host-name/

netdom computername <currentDC FQDN> /add:<newDCName FQDN>

netdom computername <currentDC FQDN> /makeprimary:<newDCName FQDN>

REBOOT

netdom computername <newDCName FQDN> /remove:<oldDCName FQDN>

dcdiag

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