Came across a unique request to get primary, secondary, and tertiary DNS values for multiple computers/servers across the domain. I started writing the script and got what I wanted. Now this started off as just to query for DNS Server information, but then I thought to add other pieces to get myself a good Network…
Tag: DNS
Convert a Dynamic IP to Static
Working on a project where on some servers the DHCP assigned addresses needs to be converted to static. Since there is always more than one…I needed to script it. Here is a quick way to do it via PowerShell. Hope this helps!
NSLookup still showing IP of demoted Domain Controller
So had an interesting issue today where a Domain Controller (DC) was demoted yet the IP of the demoted DC was still showing up when running nslookup internaldomain.local Demoted DC:Â MWDC04 / IP: 10.14.111.111 I had done the metadata cleanup and tried many suggestions when googling the subject. To my surprise none of the solutions I…
Speed up Active Directory & DNS replication between Sites
Using the standard GUI Microsoft Management Consoles to make the change to speed up Active Directory replication is not possible. The best result of using administrator consoles will be to increase domain replication between domain controllers to 15 minutes. These large time values were instituted into Active Directory at version 1 because inter-site connections during that era of computing and networking were much lower in bandwidth with the most common being frame-relay or…
Resolve IP Addresses from List of Host Names
If you have a list of hostnames/servers that you need IP addresses for its cumbersome to ping each server and get the ip address. PowerShell to the rescue! To do this we need a file called Server.txt with each server’s hostname on each line. I am storing the file in D:\Data\Servers.txt. Once we run the…
DNS broken after Windows Update KB3145126
I noticed the DNS broke on my servers after Windows Update. The problem was KB3145126. Read more about it here. After a quick removal and reboot, DNS was operational again. To remove/uninstall KB3145126, open powershell and run the following:
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wusa.exe /uninstall /KB:3145126 |
Hope this helps.