domain controller

The sound of a failed login—often accompanied by a chorus of groans from both users and IT professionals—is nothing new in the annals of Windows system administration. But few Windows error messages are so simultaneously blunt and mystifying as: “The User Profile Service service failed the...

It seems to coincide with a warning on the Windows 2022 member server event ID 40970 LSA (LSASrv) The security System has detected a downgrade attempt when contacting the 3-part SPN LDAP/Domain Controller FQDN/Domain@Domain with error code "The encryption type is not supported by the KDC...

I am now getting this error. The processing of Group Policy failed. Windows attempted to retrieve new Group Policy settings for this user or computer. Look in the details tab for error code and description. Windows will automatically retry this operation at the next refresh cycle. Computers...

The name "WORKGROUP :1d" could not be registered on the interface with IP address xxx.xxx.xxx.xxx. The computer with the IP address xxx.xxx.xxx.xxx did not allow the name to be claimed by this computer. Where the first IP is the Windows server member and the second IP is the Window Domain...

Hello All, I'm running our DC on Server 2019 Std. We have a plugin from Barracuda that was deployed with our GP flawlessly. Barracuda since has upgraded their plugin and requested that we remove the old one. Easy enough....wrong. I still have the install package and the policies built out. I...

If you're a virtualization aficionado or someone diving into the labyrinth of enterprise infrastructure, you’ve likely come across the term vSphere. Widely recognized as VMware's flagship suite for server virtualization, vSphere is one of the most powerful tools in the IT industry today. In this...

I have an Ubuntu server (192.168.1.81/24) hosted in Hyper-V on Windows 11 (192.168.1.168/24). I have Ansible installed that runs fine connecting to other Hyper-V Windows & Linux servers. But when I try and run Ansible on Azure Sql Databases, it hangs on this step: "Initializing with Entra...

The Cybersecurity and Infrastructure Security Agency (CISA) has recently unveiled an advisory outlining the findings from a Red Team assessment conducted on a U.S. critical infrastructure sector organization. While most advisories induce yawns from non-security pros, this one is a wake-up...

Adding a new domain controller (DC) to your existing Active Directory (AD) environment can seem daunting, but with PowerShell, the process becomes a breeze. This guide walks you through the steps to integrate a new Windows Server instance into an existing AD domain using PowerShell, ensuring...

Hello, i have a home lab where im running AD domain controller and AD DNS server. The issue im trying to solve is with the txt records that acme creates in my cloudflare dns zone and the AD DNS server not being able to resolve those queries so cert manager can validate my certificates. What is...

hi, I hope i get the terms right. I have 2012 r2 domain controllers running at a 2003 level. Can i raise the domain/function level from 2003 to 2008 or higher without affecting the 2003 file servers running on the network? Thanks

I currently have a domain called test.local configured on a server (called test1) running Windows Server 2008. This server manages users, computers printers, etc. And so far so good. Now I would like to configure via the dcpromo.exe tool a second server called test2 that belongs to the same...

Our domain is running out of ip addresses, currently the ip address range is 192.168.1.0/24 I want to add 192.168.2.0/24 to this domain. As far as i can tell, i have configured the router to route between the 2 subnets and added the relay agent. So as far as i know that's all i need on the...

I had to do a fresh install of a domain controller with no system state or backups, but I do have the old SYSVOL folder. Can I copy that to the new install and restore the previous domain?

Hello, I am new to this forum and could use some help. In my company, I have found myself managing the IT part although I am not a systems engineer I have a windows 2008 R2 virtual machine that acts as domain controller (Domain functional level 2003, forest functional level 2000). This vm has...

All right, folks, so here's the scoop. I set up a Windows domain at my home both for fun and for experience because I am a Systems and Network Administrator by trade which makes admitting that I am having this problem that much more embarrassing. But, in any event, everything worked fine when I...

I see a lot of talk online with this particular event id relating to Exchange. This is not an Exchange server. It's an IIS server running a web page for an inhouse application. I don't really know how to debug it. It only happens very randomly and I'm unsure of the catalyst so far. One...

Hi, I've been struggling with this for days. We set up a 2022 Server as a RDP server for a few users to connect to as virtual desktops. At that time, we did not have CALs yet, so I could not connect it to a license manager. By the time I received the CALs, the grace period had passed and users...

Subject: Actions taken during Disaster Recovery for client whose IBM Megaraid controller has failed Good day from Singapore, We have a client, an engineering company, in Woodlands Link Singapore. They have an old IBM System X server (hereinafter referred to as the Old Server). Their IBM...

We recently started having a problem where if the Domain Controller is not listed first in the "DNS Server addresses, in order of use". The computer will not join the Domain? It is supposed to go to the next server on the list if the first one is not a domain controller. Does anyone have any...