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At long last, Microsoft has republished Windows Management Framework 5.0, which for most of us means PowerShell 5.0. The initial RTM bits were quickly pulled after a bug was discovered that caused problems with the %PSMODULEPATH% environmental variable. While that would seem like a simple fix, the publication process is apparently lengthy, but now the wait is over. So what does this mean to you?
If you are running Windows 10 or testing out Windows Server 2016, you don’t need to do anything. You already have PowerShell 5.0. There is no need to install the RTM package, which I doubt you could anyway.
Instead, these bits are intended for Windows 7 and Windows 8.1 admin desktops, as there’s no reason to worry about clients having PowerShell 5.0, unless you have some process or tooling in place that requires PowerShell access for end-users or their computers. If you were waiting to install v5, but didn’t get a chance, now’s your chance.
If you are running any previous versions of PowerShell 5.0, you should remove them first. Go to Programs in the Control Panel and select Uninstall program. Next, click the link to “View Installed Updates.” Find your Windows Management Framework 5 updates and uninstall. This will most likely require a reboot. Next, install the new RTM package.
If you installed the original RTM bits, and if you didn’t run into problems, you have a choice. From what I have been told, the only change in the package was for the module path problem. So if you didn’t have that problem, theoretically you could be fine. This was my situation on my main desktop. But not knowing what else might have changed, however minor, and to ensure I had the most current shipping bits, I decided to uninstall the v5 RTM package (I’m running Windows 8.1) and re-install the new one. It only took a little time, but at least I know I am up to date.
My PowerShell version table (Image Credit: Jeff Hicks)
Workflow compatibility problem (Image Credit: Jeff Hicks)
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