Moving onprem DHCP server to azure
Hello everyone, I'm considering moving my DHCP server from on-premises to Azure. I aim to retain the existing on-premises IPs and VLANs but host the DHCP server in Azure instead. Is this feasible, and if so, what steps should I follow to accomplish this…
Standalone dns migration from windows server 2012R2 to server 2022
Hi, In my organization we are planning to migrate standalone DNS server from windows server 2012R2 to server 2022. We are planning migrate to different domain with new computer name of targated server. While transferring the zones or through…
DHCP server not relase ip-address on Microft Windows Server 2022 Datacenter
Version 10.0.20348 Build 20348 I have installed 2 DHCP server with failover, I have a scope with 4045 client IP-address an a lease time with 9 hours. Now server says there is no IP-address available , but scope statistics say there should be 21%…
dns debug log character/locale configuration
How can I change the region/locale configuration of the DNS debug logs? I'm noticing some extra characters which break do not play nice with a parser I use for analysing the logs. I'd rather not change the parser to support these characters but…
WDS options not working with windows server DHCP
Hello, I've been trying to get my WDS (windows deployment service) to work using my dhcp servers running on my domain controller. So far i've had no luck making it work i've made a wireshark capture and the options are given out with dhcp. I do get a…
Script to Change Permissions on DNS Records
I've found myself in a situation where some computers in our environment are not able to update their records in DNS when their IP address changes. This is primarily due to DHCP servers creating the record on their behalf when the DHCP server issues or…
Deactivate a DHCP scope using Powershell
Hello, I was wondering has anyone deactivated DHCP scopes using Powershell below? I'm just learning how to use Powershell and I know how to update Scope Options using Powershell but I was wondering can you Deactivate it using PowerShell? I would like…
DHCP Failover - can this be hosted on a VM in Azure?
We have a client that requires a DHCP failover service in case of outages with their on premise DHCP servers - previously we ran this in private cloud and then migrated it to Azure VM - however today they suffered an on prem DHCP server failure and the…
What causes 1065 to be logged in the event ID in the DHCP service?
What causes 1065 to be logged in the event ID in the DHCP service? Also, what kind of impact does the recording of event 1065 have on the behavior of the DHCP service?
After update from Windows 10 to Windows 11 - IPv6 RFC 6106 / RDNSS (Router Advertisement Options for DNS) stopped working
I was using Windows 10 Education (most recent build) with automatic configuration of networking on Ethernet interface. Both IPv4 and IPv6 configuration was obtained from network correctly (with no problem for many years.) IPv4 address and other…
What would make DHCP server lose authentication?
We are a small hospital with a set of vendor devices operating within a private network. The server controlling the private network has two NICs, one on our domain, the other on the private network. They run DNS & DHCP for the private network --…
Why does the DHCP server keep losing authorization?
We have a dual-NIC device serving a private network. We've authorized the DHCP server multiple times, and every time it gets authorized, the authorization disappears within a few days. The DHCP service claims it needs to be authorized, and the admin…
DHCP Address State is active even when the lease has expired
For some reason, the DHCP address state stays active even when the address lease has expired. The expired leases don't show up in the DHCP Management Console, but when I run a powershell script to get the active leases, all the expired leases are still…
DHCP Dynamic Updates not working consistently
Hi, I have an issue that I'm struggling to solve fully. Basically DHCP is not consistently keeping DNS in order so we have multiple hostnames with the same IP. We have LOTS of scopes, with different lease times. Sometimes it works and sometimes it…
does DHCP data still on two DHCP servers in hot standby mode?
Hi all, We have 2 windows 2019 DHCP servers which are configured to use hot standby mode. Now, we need to migrate to windows 2022 servers. If we remove the failover relationship between two DHCP servers, will DHCP data still reside on active and…
Issues with DHCP DNS updates - events 20319 & 20322
I replaced a 2012 DC (with DNS and DHCP) with a 2019 server. I am now noticing errors in the DHCP event logs on the 2019 server. I still have another 2012 server and that one is not getting these errors. "Forward record registration for IPv4…
Why is my DNS servers not updating when connecting to a hotspot?
This is on a Surface Pro running Windows 10. Pro The issue is, when I connect to a hotspot outside my home, the DNS servers do not update. They still show the servers from when I was connected to my home Wi-Fi. This is an issue since the first two…
A large number of bad_adderss results in a full DHCP pool
DHCP service installed on win server 2016, only one DHCP server on the domain, now every day there are 10~20 bad_adderss, looked at DHDP log and L3 arp, found no exception, there is no direction of investigation, I would like to encounter this problem,…
I have migrated the on-prem domain controller to Azure vm as ADC. after that I converted my Azure ADC to primary DC. then I turn off the on-prem ADC which was DC before the migration. now Client computer(on-prem or Azure) not able to join domain.
I have migrated the on-prem domain controller to Azure vm as ADC. after that I converted my Azure ADC to primary DC. then I turn off the on-prem ADC which was DC before the migration. now Client computer(on-prem or Azure) not able to join domain. If I…
DHCP server the specified servers are already present in the directory service
Our DHCP server can't be authorized and scope won't be activated after the replacement of branch server/DHCP server, please note that we reuse the server hostname and IP address of previous DHCP server. We already removed the DHCP server from the list of…