Tag Archives: PowerShell

LTI/ZTI PowerShell: Using Modules in deployment scripts

Posted on October 1, 2012 by Andrew Barnes

A great feature of PowerShell is the use of Modules. You use modules to store reusable code such as functions as an alternate to storing hefty code at the start of your scripts. MDT supports the use of modules in … Continue reading →

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LTI/ZTI PowerShell: Exit codes

Posted on September 28, 2012 by Andrew Barnes

When you run a script in your deployments, it’s good practice to let MDT/SCCM know how the script has ended. This will determine how your task sequence proceeds. You do this by exiting the script with a return code. I’ve … Continue reading →

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LTI/ZTI PowerShell: Debugging Scripts (Part 3 of 3)

Posted on September 27, 2012 by Andrew Barnes

Testings results with a test matrix My Rename-Computer script is in production and I’ve made some major changes to it so it’s time for some major testing.  It’s important when testing your scripts to understand and document what your expected … Continue reading →

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LTI/ZTI PowerShell: Debugging Scripts (Part 2 of 3)

Posted on September 26, 2012 by Andrew Barnes

Testing variables with the ZTIUtility module My Rename-Computer script worked great on a computer in a workgroup environment. But now, I have a new server that I want to rename before I join it to a domain. I’ve worked out … Continue reading →

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LTI/ZTI PowerShell: Debugging Scripts (Part 1 of 3)

Posted on September 25, 2012 by Andrew Barnes

Adding new functions and features to a perfectly good script is common practice. One example is my evolving Rename-Computer script. I want to modify the way it works (again) but I don’t want to rename my computer and join a … Continue reading →

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LTI/ZTI PowerShell: Testing Script Parameters

Posted on September 24, 2012 by Andrew Barnes

Before running a parameterised script in your deployments, it’s important to test that the tab completion is working. To do this, open a PowerShell console and type the script name and a hyphen then press the {tab} key. Your script … Continue reading →

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LTI/ZTI PowerShell: Deployment Script logging

Posted on September 20, 2012 by Andrew Barnes

The task sequence step “Run PowerShell Script” has some cool features. One of which is the way it handles information returned from the Write-Host, Write-Warning and Write-Error cmdlets. MDT collects Information(Write-Host), Warnings(Write-Warning) and Errors(Write-Error) returned from a cmdlet in a … Continue reading →

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LTI/ZTI PowerShell: Comment Based Help

Posted on September 19, 2012 by Andrew Barnes

I recommend using PowerShell comment based help to document your deployment scripts as described on Technet in about_Comment_Based_Help. This makes your scripts self documenting so colleagues can see who wrote it, what it does and examples and parameter usage. Below, … Continue reading →

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LTI/ZTI PowerShell: Using parameterised scripts in Task Sequences

Posted on September 18, 2012 by Andrew Barnes

There are methods in creating PowerShell scripts suitable for task sequence deployment. A good starting point is the Technet article about_Scripts. One of the most useful features of MDT/SCCM are the deployment properties. Today, I’m going to talk about using … Continue reading →

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LTI/ZTI PowerShell: Accessing Task Sequence Variables

Posted on September 17, 2012 by Andrew Barnes

In order to create more useful scripts in your Lite/Zero-Touch deployments, you will need access to the deployment variables. In MDT 2012 you can now access these Task Sequence variables from 2 new PSDrives called TSEnv: and TSEnvList:. Now these drives … Continue reading →

Posted in Deployment, MDT 2010, MDT 2012, SCCM, Scripting | Tagged , , , | 13 Comments