IIS : Configure Virtual Directory2019/08/29

Windows PowerShell
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PS C:\Users\Administrator> Get-Website -Name "Default Web Site" 

Name             ID   State      Physical Path                  Bindings
----             --   -----      -------------                  --------
Default Web Site 1    Started    %SystemDrive%\inetpub\wwwroot  http *:80:

# for example, set physical folder [C:\inetpub\wwwroot\virtual_dir], URL Path [/vDir] on [Default Web Site]
PS C:\Users\Administrator> mkdir C:\inetpub\wwwroot\virtual_dir 
PS C:\Users\Administrator> New-WebVirtualDirectory -Site "Default Web Site" -Name "vDir" -PhysicalPath "C:\inetpub\wwwroot\virtual_dir" 

Name PhysicalPath
---- ------------
vDir C:\inetpub\wwwroot\virtual_dir

PS C:\Users\Administrator> Get-WebVirtualDirectory -Site "Default Web Site" 

Name             Physical Path
----             -------------
vDir             C:\inetpub\wwwroot\virtual_dir

# create a test page
PS C:\Users\Administrator> Write-Output "IIS Virtual Directory Test Page" | Out-File C:\inetpub\wwwroot\virtual_dir\index.html -Encoding Default 

# verify accesses
PS C:\Users\Administrator> curl.exe localhost/vDir/ 
IIS Virtual Directory Test Page