You need to ensure that traffic between the necessary subnets is appropriate for communication between clients and your domain controllers, and possibly between domain controllers and other domain controllers. 1.Check and establish your firewall rulesįirewall rules, especially in complex environments, are likely to pose a huge headache.
Here are seven tips for successful domain controller network migrations.
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SEE: Quick glossary: Software-defined networking (Tech Pro Research) I don’t recommend it, since it can cause all sorts of connectivity problems or even outages, but if it must be done there’s a careful path to tread. The pain points may arise when both are moved over and client computers continue searching for – and failing to find – the domain controllers at their former IP addresses. If you’re set up redundant domain controllers (as any seasoned IT professional must do), moving one to a different subnet is easy. Perhaps a subnet is being reorganized or retired, a company acquisition has occurred and new subnets are being introduced upon which domain controllers must be consolidated, or some other factor is at play. While it’s pretty much a no-brainer to state that renaming a domain controller is almost never going to be necessary, unfortunately, there may come a time when you have to change the network settings.
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Networking: Must-read coverageīest network monitoring software and tools 2022ĥ programming languages network architects should learn (free PDF)īehind the scenes: A day in the life of a database administratorģ essential productivity-boosting resources for network admins (TechRepublic Premium) Used for authenticating users and devices to the domain, these are best set up and left as is - especially when it comes to their host name or network details. Active Directory domain controllers (DCs) are probably the most change-averse types of servers out there.
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