Lessons Learned
My drop-site for interesting snippets and tips. If it's useful to you as well, great!
Active Directory - Creating Install From Media dump
function Backup-ActiveDirectoryIFM { param ( [string]$IFMPath, [switch]$NoDefrag ) $errorAction =...
Author: timdunn Date: 12/01/2015
Converting Whitespace-Indented Output to XML
Example of taking output delimited by indents and trying to beat it into XML. 1 2 3 4 5 6 7 8 9 10...
Author: timdunn Date: 11/20/2015
Moving Computer AD Objects
I'm just going to toss code up here from now own. Too busy to write nicely-formatted posts....
Author: timdunn Date: 11/19/2015
IE, ADFS, and Overkill
I do some testing that requires I not use Active Directory Federation Services (ADFS), which is an...
Author: timdunn Date: 07/20/2015
Backing Up BitLocker Keys to OneDrive as a Scheduled Task
While I can’t say I love Bitlocker, I do understand it as a requirement for any machine with...
Author: timdunn Date: 05/18/2015
Configuring the ISE
I tend to flatten my laptop about once a season. Among the other things I lose is my PowerShell_ISE...
Author: timdunn Date: 02/17/2015
Left-Padding a String
I’ll be honest; .NET has more methods and classes and properties than I can shake an idiom at. In my...
Author: timdunn Date: 02/16/2015
One-Liner: Left-Padding a String with Zeroes
Yesterday’s post had a little bit of sleight-of-hand involved. For the IPv4 address to UInt64...
Author: timdunn Date: 02/12/2015
IPv4 Addresses and CIDR Fun
Classless Inter-Domain Routing is the current way to define a subnet. An example entry would...
Author: timdunn Date: 02/11/2015
PowerShell ISE Environment Keyboard Shortcuts, Part 2
A coworker asked how many of these shortcuts I knew. Given that I had to go looking for a shortcut...
Author: timdunn Date: 02/10/2015
PowerShell ISE Environment Keyboard Shortcuts
It started with a simple question: is there a shortcut to go to the Console Pane in the ISE? A...
Author: timdunn Date: 02/09/2015
$PSModuleAutoLoadingPreference and You
This is a very simple onelner. The problem statement is a more complicated. PSH 3 and 4 treat...
Author: timdunn Date: 09/02/2014
Filtering Show-NetIPSec Rules based on IP Address
Get-NetIPSecRule seems a little half-baked. A coworker asked me to come up with a way to only...
Author: timdunn Date: 09/01/2014
Importing Azure RDC Files into RDCMan.exe’s RDG
This is really over-engineering. Azure’s “connect” link sends you a .rdc file to download or...
Author: timdunn Date: 08/19/2014
Namespaces, Why Does It Always Have To Be Namespaces?
I’ll be honest, I LOATHE namespaces in XML. I haven’t seen a case where I needed to use them...
Author: timdunn Date: 08/18/2014
Backing Up BitLocker Recover Key (Strikes Again!)
Here’s a one-liner for backing up the BitLocker Recovery Key for every drive attached to the...
Author: timdunn Date: 08/15/2014
SkyDrive, OneDrive, Let’s Call the Whole Thing Off
(Apologies to Istanbul (Not Constantinople) by Jimmy Kennedy and Nat Simon.) We all know about...
Author: timdunn Date: 08/13/2014
$PSBoundParameters and CommonParameters (-WhatIf, -Debug, etc.)
For the longest time, I was unable to get $PSBoundParameters to work to detect –Debug, -Verbose,...
Author: timdunn Date: 08/12/2014
I Hate Write-Host So Much…
Write-Host is evil. It’s just plain evil. In fact, it’s so evil that I learned to make a proxy...
Author: timdunn Date: 08/11/2014
YOMER Yet One More Error Reporting (Method)
I wrote about creating an Out-Error function before to avoid outputting the stack dump that a normal...
Author: timdunn Date: 08/07/2014
Subshells (by the Seashore?)
Yesterday’s post detailed some frustration I encountered running PowerShell in a subshell. Why...
Author: timdunn Date: 08/06/2014
Send-Keys
Firstly, I am standing on the shoulders of giants. As the comments below state, the essential...
Author: timdunn Date: 08/05/2014
Decrypting SecureStrings (Once More!)
[PSCredentials] have some interesting methods. Chief among them, at least for today, is...
Author: timdunn Date: 08/04/2014
One-Liner: PowerShell Tools for Visual Studio 2013
Unsure if I posted this already, and sorry if I did....
Author: timdunn Date: 07/30/2014
Starting Elevated PowerShell Windows
There are a few commands I have to run from Elevated PowerShell windows (such as suspending...
Author: timdunn Date: 07/28/2014
Creating Local Users
I’m helping some of our test teams more and more. In one case, we need to create local users...
Author: timdunn Date: 07/24/2014
Querying WMI with a Timeout
This is thanks to my coworker Keith Munson, who is at least as passionate and adept at PSH as I am:...
Author: timdunn Date: 07/23/2014
Storing SecureStrings Machine-Independently
As part of a brown bag, I extracted out the logic CredLocker uses to store credentials. Here’s...
Author: timdunn Date: 07/21/2014
Comparing Performance Counters
A common TSG step is to look at some perf counter, wait n minutes, then look at it again. When we’re...
Author: timdunn Date: 07/11/2014
One-Liner: Symlinks and Windows
Windows 7 and above support symbolic links, but the OS needs to be updated to recognize them: fsutil...
Author: timdunn Date: 07/10/2014
Getting SRV Records with PowerShell
PowerShell leverages .NET, and .NET exposes the System.Net.Dns class, so all should be happy,...
Author: timdunn Date: 07/08/2014
One-Liner: Valid PSH Verbs
I try to use proper PowerShell verbs, but I’m not always sure what they are (or what they do, which...
Author: timdunn Date: 07/07/2014
MSSQL Server Error Logs
MSSQL Server error logs exist in the same folder that contains the installed server bits. ...
Author: timdunn Date: 07/03/2014
One-Liner: Padding a Number with Leading Zeroes
I’m putting this here only because I’m tired of searching for it. How to pad an integer with...
Author: timdunn Date: 07/02/2014
Reinventing the Wheel: Get-WmiChildNamespace and Get-WmiChildPropertyData
I love and hate WMI. I love how it offers the ability to access so many parts of the OS that...
Author: timdunn Date: 06/23/2014
Copy-History – Copy a Previous Command to the Clipboard
It’s great that I can see my history with Get-History, but what if I want to edit it? I can...
Author: timdunn Date: 06/20/2014
Suspend-Computer (a.k.a. Sleep)
Shutdown.exe hibernates a computer, but there's no easy way to put a computer to sleep. One possible...
Author: timdunn Date: 06/18/2014
Windows Experience Index on 8.1
Firstly, thanks to https://www.intowindows.com/get-windows-experience-index-wei-score-in-windows-8-1/...
Author: timdunn Date: 06/17/2014
HP Power Supplies
HP servers have redundant power supplies. SCOM will tell me which one is broken if it’s down,...
Author: timdunn Date: 05/26/2014
#StupidProfileTrick - FunctionList
As I previously posted, my $Profile is stupidly complicated, and it adds a ton of functions. ...
Author: timdunn Date: 05/23/2014
Something I Should Have Done a While Ago: $continue
$ErrorActionPreference is your friend. However, ‘SilentlyContine’ isn’t, especially when it’s...
Author: timdunn Date: 05/13/2014
8.3, the Undead Path
8.3 is a common reference to the DOS name limit of 8 characters for the filename and 3 characters...
Author: timdunn Date: 05/12/2014
Write-Error, $Error, and Users
Write-Error is useful, but the output is intimidating for new users. You want them to see a...
Author: timdunn Date: 05/08/2014
VM Host
Here’s the one-liner: reg query "HKLM\Software\Microsoft\Virtual Machine\Guest\Parameters" /v...
Author: timdunn Date: 05/07/2014
Setting Cross-Forest Passwords
In my test labs, some of the more specialized testing labs (perf, specifically) have one-way trust...
Author: timdunn Date: 04/07/2014