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PowerShell v1 to v2 changes

Jeffrey left a comment on this post!43CFA46A74CF3E96!2084.entry regarding discovery of WMI classes.  He pointed out that if the line of PowerShell is changed to

Get-WMIObject -NameSpace root -Recurse -List *Printer*


that you can check all namespaces in one hit.  Recurse! where did that come from. 

Checked the help file for Get-WmiObject and couldn’t see anything about recurse – but it is mentioned in the release notes. Must read the release notes more carefully.

There are a ton of changes between v1 and v2 and it can be difficult to keep track of them all.  One thing I do is download the v1 graphical help from and keep it on the desk top.  It is always handy to refer back to the v1 help to check for changes and I can compare the help for v1 and v2 easily.  Note that the v2 help isn’t always complete – functionality has to be produced before it can be documented.

The other good source of information is and

PowerShell is getting bigger and better every time we turn around. Hopefully these resources will help to keep track of the changes.


Technorati Tags: PowerShell,Help,Changes

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