Active directory dns records not updating usan online dating service
It is an issue on Server 2000, 2003, 2008, 2008R2, Server 2012, Server 2012 R2 and will likely be an issue in the newer builds.
If you check your servers event viewer you will see EVENT ID 1056: The DHCP service has detected that it is running on a DC and has no credentials configured for use with Dynamic DNS registrations initiated by the DHCP service. Credentials for Dynamic DNS registrations may be configured using the command line “netsh dhcp server set dnscredentials” or via the DHCP Administrative tool.
If you find that you can not resolve IP’s back to a name on your network check your DNS REVERSE LOOKUP ZONE.
If there are missing entries, you likely have your DHCP missing one of two settings: This is required if you have DHCP installed on a Domain Controller.
Make sure you have reverse DNS zone as well, then refresh that once the address have been added whether manually or automatically.
If you are working with, well almost anything network intensive these days, like Antivirus or management tools, your Reverse DNS (r DNS) lookups need to be in good shape.
This procedure assumes that your internal DNS has zones for your SIP user domains.
Below I have mentioned the location of all these important records, with their properties and NSLOOKUP commands to verify if the record exists correctly or not.
I have taken screenshot from a single domain lab, on default site i.e. So results may vary if you explore these in big infrastructure.
Allows a client to locate any domain controller in the forest by looking up an A record.
The only information that is known about the domain controller is the GUID of the directory system agent (also known as the "DSA") object for the domain controller and the name of the forest in which the domain controller is located.If you want more information you may find the following useful: