Windows Management Framework using PowerShell 2.0 'install failure and investigation' recommendations

Windows PowerShell Team revealed 'some customers had been reporting installation issues related to Windows Management Framework and down-level operating systems. Li indicates that vast majority of deployment features are reported to produce following error message: “The update does not apply to your system.” “It’s a blocking issue for some customers since they cannot get WMF […]

Windows PowerShell Team revealed 'some customers had been reporting installation issues related to Windows Management Framework and down-level operating systems. Li indicates that vast majority of deployment features are reported to produce following error message: “The update does not apply to your system.” “It’s a blocking issue for some customers since they cannot get WMF successfully installed and error message doesn't help much with a fix,”. Apparently, installation failures and associated error message is caused by actions taken from end users, rather than an actual bug in package. Reinstall. In some cases WMF(KB968930) had already been deployed on machine by system admins through WSUS, but customers weren't aware of it. A more accurate error message here should be “The update already installed”. Therefore, it’s a good idea to check if computer has this KB installed before manual installation. Mismatch between OS and KB package. In this case, error message is precisely the cause for install failure. On download page, there’s a list of WMF supported OSes. Although almost all WMF install failures can be traced to above two causes, you might encounter install failures. Then here’s a good resource to get started.’ noted.