在PowerShell 3.0中调用基本cmdlet时，PowerShell无法识别它们：
Write-Host "Test"
# returns error "The term 'Write-Host' is not recognized as the name of a
# cmdlet, function, (etc.)
许多其他基本PowerShell脚本也是如此。
$ Env.Path设置为：
C：\ Windows \ System32下; C：\ WINDOWS; C：\ WINDOWS \ SYSTEM32 \ WBEM; C：\ WINDOWS \ SYSTEM32 \ WindowsPowerShell \ V1.0 \; C：\ PROGRAM Files \ Microsoft Office Servers \ 15.0 \ Bin \; c：\ Program Files （x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio \; c：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \; c：\ Program Files \ Microsoft SQL Server \ 110 \ Tools \ Binn \; C：\ PROGRAM 文件（x86）\ Microsoft SQL Server \ 110 \ DTS \ Binn \; C：\ PROGRAM Files \ Microsoft SQL Server \ 110 \ DTS \ Binn \; C：\ Program Files \ Microsoft SQL Server \ Client SDK \ ODBC \ 110 \ Tools \ Binn \; C：\ Program Files （x86）\ Microsoft SQL Server \ 120 \ Tools \ Binn \ ManagementStudio \; C：\ Program Files（x86）\ Microsoft SQL Server \ 120 \ Tools \ Binn \; C：\ Program Files \ Microsoft SQL Server \ 120 \ Tools \ Binn \; C：\ PROGRAM 文件（x86）\ Microsoft SQL Server \ 120 \ DTS \ Binn \; C：\ PROGRAM Files \ Microsoft SQL Server \ 120 \ DTS \ Binn \
$ Env.PSModulePath显示：
C：\用户\ {用户名} \文件\ WindowsPowerShell \模块;; C：\程序 Files \ AppFabric 1.1 for Windows Server \ PowershellModules; C：\ Program Files \ AppFabric 1.1 for Windows Server \ PowershellModules; C：\ Program 文件（x86）\ Microsoft SQL Server \ 110 \ Tools \ PowerShell \ Modules \; C：\ Program Files（x86）\ Microsoft SQL Server \ 120 \ Tools \ PowerShell \ Modules \