Powershell Few-Liners (Active Directory)

This article is part of the few-liner series, where you can find some useful powershell examples. Of course, you need to adjust the values/paths to your needs. Also, I know there may be other ways to achieve the same results but this is not a base for an “which-command-is-better” competition. Depending on the time you read this post, there may be new commandlets making things easier but I do not regulary update this blog series.

Convert LDAP/AD Timestamp to DateTime

$timestamp = 131001091660000000
(Get-Date 1/1/1601).AddDays($timestamp/864000000000)

Get distinguished name of computer object

([adsiSearcher]"(cn=$($env:Computername))").FindOne().Path

Get DNS name of computer

[System.Net.Dns]::GetHostEntry($env:Computername).HostName