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…
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…
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 dhcp log and L3 arp, found no exception, there is no direction of investigation, I would like to encounter this problem,…
DHCP problem
Hello! Can anybody tell me why does Windows Server 2012 DHCP service stop giving out IP addresses as soon as the number of available addresses plunges to 4? Why doesn't it just first give out all 100% of addresses before stopping assigning ip…
DHCP - Reservas de IP - Replicação
Prezados, Tenho o seguinte cenário: DC01 (primário) e DC02 (secundário) em produção. Quando eu faço uma reserva de ip na função DHCP em "Reservas" no DC01, ele não replica para o DC02 (nem mesmo esperando 15min ou forçando o gupdate…
Probleme carte réseau
Bonjour, Depuis un moment, j'ai les cartes réseau de mes pc qui ne fonctionne plus, du moins, il y a du réseau mais pas d'internet. En ip fixe ça fonctionne mais pas en dhcp. J'arrive à faire un ping sur le serveur dhcp et la bonne adresse est…
Need Help Configuring Multicast Routing on Hyper-V Environment for RTP Streams.
Hello, I'm relatively new to network configuration on Virtualization Environment, and I'm currently facing an issue with setting up multicast streaming in my Hyper-V environment. Here's the scenario: I have a streaming device connected to the External…
Alguns sites não abrem pelo Servidor DNS
Boa tarde. Temos um servidor rodando com o Active Directory do Windows Server 2016, e no começo desta semana, alguns sites pararam de abrir, mostrando a mensagem de erro de DNS "DNS_PROBE_FINISHED_NXDOMAIN", se no terminal eu deixo para…
NETWORK not identified only in the LOGIN phase --- EntraID
I manage part of a company network, where INTUNE is used to manage station policies and Azure AD (now EntraID) for user recognition etc... In my network section I use a mikrotik DHCP server to issue IPs to devices. This problem occurs with DELL Latitude…
User profile service failed the sign in, user profile cannot be loaded
In my company five users got this issue. Its getting only in the morning when they start their work. What could be the reason for this. Is this something related to corrupted user profile but why every one getting this issue. I tried few steps in fixing…
Domain Controllers Migration
Dear Friends, Please help. We are a big organisation with 1600 + Users. Now I am planning to migrate two Domain Controllers (server 2012 r2) dc01 (192.168.2.45) and dc02(192.168.2.46) to two Server 2019 boxes. In order to have less impact on…
Response to DHCP Request Using MAC Address Only
I have an app based on PXEBoot. I am trying to assign an IP address to an RNDIS device over USB. Since the device doesn't have an IP address yet and doesn't even show up as a network device until after it is plugged in, I can't bind to anything to…
Windows 11 - DNS issue
Hello I am currently testing the compatibility of our organization with Windows 11 and I am facing a strange behavior. The DNS service is not working well with Windows 11. On Windows 10 there is no issue and all the IP addresses are resolved…
Windows Server 2012 R2 FRS Sysvol Replication issue
Hi everyone, NOTE: This Active Directory Server is also a DCHP Sever. I am encountering a issue which FRS Sysvol Replication issue where the gpo's and the sysvol files are not in synced. There are two domain controller. PM_AD01 is the Primary Domain…
How to fix SYSVOL policies not sync issue?
The above is the error of the AD01 with 104 policies is not sync with AD02 115.
DNS external domain resolving name problem
Hello everyone I have strange problem with DNS serwer on Win2019 with AD, IP6-off in general all working well, but dont resolving just one domain (anydesk.com) I try flush cache, change forwarders, main servers, etc I dont have any idea whats…
Active Directory DHCP Having Issues with Changing Port Groups in VMWARE
Hello, We are running the following setup. Windows Server VMWare VM running AD DHCP Server Arista DHCP Relay What I have noticed is that when I change the network adapter port group on a virtual machine before boot, it receives the correct IP address…