Tag Archives: Scripting

LTI/ZTI PowerShell: Outputting Transcript from PowerShell Console

While testing a Lite-Touch deployment, I had an issue with a PowerShell script running in an application package. The error flashed by on the console screen so fast that I could not read it. To top that off, the log file … Continue reading

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LTI/ZTI PowerShell: Using Modules in deployment scripts

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

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)

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)

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)

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

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

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

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: Accessing Task Sequence Variables

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