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Tag: Active Directory

Quickly check EnableTrailerSupport isn’t set in your network for http.sys (CVE-2022-21907)

14/01/202221/02/2023 Jan Reilink 1 Comment

Find out fast if your IIS webservers have EnableTrailerSupport enabled for https.sys in the registry. Here is a small PowerShell method.

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Retrieve SSH public key from Active Directory for SSH authentication

29/10/202123/04/2023 Jan Reilink 3 Comments

How to configure SSH public key authentication for Windows Server in Active Directory (AD)? In this article I’ll explain how to store and retrieve your SSH public keys from Windows Server Active Directory.

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Use -SearchBase with Get-ADComputer for faster results

15/08/201921/02/2023 Jan Reilink

Using -SeachBase with PowerShell’s Get-ADComputer cmdlet gives faster results when querying Active Directory Domain Services (AD DS) with PowerShell. You can use this for your own advantage, here is a little example to speed up AD DS queries.

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List all SPNs used in your Active Directory

26/02/201813/04/2023 Jan Reilink 10 Comments

Listing duplicate SPNs is fairly easy, but how do you find out which SPNs are used for which users and which for computers? Start troubleshooting SPNs here and learn how to use setspn.exe to list all SPNs used in your Active Directory.

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“A domain rename operation is already in progress”

26/11/201421/02/2023 Jan Reilink 4 Comments

When promoting a Windows Server 2012 R2 to a Domain Controller failed: “A domain rename operation is already in progress”

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