Overview for active

Active Directory NO_CLIENT_SITE report

As an Active Directory administrator, you have to do recurring tasks. One task is to check if client subnets are pointed to an Active Directory site and if not Domain Controllers will log this message in the following log file and print a warning message at the event log. EventLog ID: 5807  …

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Written by Arne Tiedemann on Friday June 22, 2018

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Fast way to access group memberships

Sometimes you have to ask for your own group membership or you write a script and have to get the memberships. Everybody knows the command whoami but does you know that you can convert it to CSV with PowerShell. WHOAMI /GROUPS /FO CSV /NH | ConvertFrom-Csv -Header 'GroupName','Type','SID','…

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Written by Arne Tiedemann on Tuesday July 17, 2018

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How to get Operatingsystem from all domain controllers in the forest

Sometimes you need to know the Windows Version of all domain controllers in the forest. This short snippet can help to find all domain controllers in the entire forest. <# Get all Domain Controllers Windows Versions #> # Set variables $ADDomainController = @() $Domains = …

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Written by Arne Tiedemann on Tuesday October 23, 2018

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Azure Friday

twitter https://twitter.com/azurefriday Join Scott Hanselman, Donovan Brown, or Lara Rubbelke as they host the engineers who build Azure, demo it, answer questions, and share insights.

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Written by Arne Tiedemann on Sunday August 4, 2019

Office 365 and Azure basic's Part II

In the first article, I describe the basic of configuring the Office 365 settings. In this articel, I will describe some daily or weekly tasks for Azure AD and I want to sensitize you to configure GEO DNS correctly and take a weekly look at the secure score.

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Written by Arne Tiedemann on Tuesday August 13, 2019

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Secure Install of Azure AD Connect

When you plan to start using Microsoft Office 365 workloads and you have an on-Premises Windows Active Directory, you should plan your identity synchronization. This article describes the secure installation of the Azure Active Directory Connect.

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Written by Arne Tiedemann on Thursday September 26, 2019

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Read Password last set from Organizational Unit

Sometimes an administrator needs to get a list of Password Last Set of from users in an organizational unit. With this PowerShell function, you can get a list of sorted "pwLastSet" from old to new. function Get-MyADPasswortAge { <# .SYNOPSIS This Cmdlet add get the age of ad user …

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Written by Arne Tiedemann on Tuesday July 2, 2019

Office 365 and Azure basic's Part I

This article describes the basic activities of an Office 365 and Azure administrator. Which configurations should be reconsidered, which are fundamental.
All this can be found in this article.

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Written by Arne Tiedemann on Thursday June 13, 2019

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Domain Controller Zip Security Archiv

In some environment, it is necessary to enable event log archiving for local event logs. This article describes how to identify the archives and zip the archives to save storage place.

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Written by Arne Tiedemann on Tuesday August 13, 2019

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Add-MyDHCPServerv4Reservation

If you have more than one DHCP server and you want to add DHCP reservation on all of your servers, you can use these functions for that. function Add-MyDHCPv4Reservation { <# .SYNOPSIS This Cmdlet add an dhcp reservation on both dhcp servers .DESCRIPTION This Cmdlet add an dhcp …

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Written by Arne Tiedemann on Tuesday November 20, 2018

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DHCP Server DNS Updates

If you use a Microsoft DHCP Server with many scopes and you have to check each scope configuration.....

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Written by Arne Tiedemann on Tuesday August 13, 2019

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The missing Set-GPPermission PowerShell function

Sometimes administrators have to set DenyApply permission on many group policies. How can an admin do this but default GroupPolicy PowerShell Module does not have this function. 

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Written by Arne Tiedemann on Wednesday September 11, 2019

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