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Tag: Active Directory 101

Home » Active Directory 101
Enterprise Operating Systems / Microsoft Windows Server

Adding DNS Servers in All DHCP Scopes using PowerShell

To Get all Scopes – Open PowerShell – Run as Administrator Get-DhcpServerv4Scope To Check DNS Servers Option 006 Get-DhcpServerv4Scope| Get-DhcpServerv4OptionValue| Where-Object{$_.OptionID -like6} | FT Value To Check – Whatif Get-DhcpServerv4Scope| …

PowerShell / Scripting Guides

Missing “UserType” attribute in Azure AD

UserType is not always accurate for identifying external or member users If you search an Office 365 user with Get-AzureADUser or Get-MsolUser, you get details about the account type with the attribute UserType. The …

Active Directory / Networking

Comply your AD password expiration policy with Azure AD

How does EnforceCloudPasswordPolicyForPasswordSyncedUsers policy works? If you have an expiration policy configured in your on-premise environment, this is not synced to Azure AD. This results in the scenario where a …

Enterprise Operating Systems / Microsoft Windows Server

Migrate Active Directory from Server 2012 R2 to Server 2016

This is very straight forward process, but make sure you test it 1st in your Test Environment. I’m using 2 Hyper-V Machine, which is my Previous domain Server (Microsoft.lk.com). 1- Login to windows …

PowerShell / Scripting Guides

Join Linux to Active Directory with PowerShell Core

There are many possibilities for using PowerShell on non-Windows platforms now and today my mind was pondering how to use it to join Linux servers to Active Directory. So, I …

Enterprise Operating Systems / Linux

How to Integrate RHEL 7 or CentOS 7 with Windows Active Directory

In Most of the Organizations users and groups are created and managed on Windows Active Directory.  We can integrate our RHEL 7 and CentOS 7 servers with AD(Active Directory) for …

Active Directory / Networking

Document Active Directory using AD Topology Diagrammer

I found the free Active Directory Topology Diagrammer (ADTD) tool which you can download it here. As stated in Microsoft’s description on the tool download page, ADTD connects to the Active …

PowerShell / Scripting Guides

Must have PowerShell Tool for SysAdmins

Hey Guys, as a Windows SysAdmin some of your primary tools is Active Directory and PowerShell. I want to share this tool I found online from Patrick Gruenauer – Author …

PowerShell / Scripting Guides

Join Computer to Domain with Desired Computer Name and OU

Step #1: This is the simplest method to add a computer to a domain. In this example you will be prompted for credentials followed by the required reboot. PowerShell   …

PowerShell / Scripting Guides

How To Build An Active Directory Site Inventory Report With PowerShell

If you’re having to deal with hundreds of subnets and multiple Active Directory sites, this PowerShell script will allow you to quickly build an inventory report listing all of your …

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SYSADMIN POEM

Keys clack beneath my fingers, I frantically click at the mouse
Most the servers are down, everything in house.

I click and type away as sweat runs down my brow
Everything went down but I’m not sure yet how.

The coffee’s long been cold but I drink it anyway
I know I’ll be stuck here until the break of day.

The phone is ringing off the hook, but I ignore its rattle.
The users are all angry, like an untamed herd of cattle.

I pray to the IT gods to have pity on my soul
Let this restore work, let the data all be whole.

-ccraddocks

NETWORK SYSADMIN POEM

Three small words make a difference and can make or break

And just a few seconds is all that it takes

Often forgotten they've caused broken hearts

So here's a reminder:

copy run start-unknown

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