如何使用PowerShell从远程计算机获取所有（IIS）网站状态/状态？

Question

I was trying to read the status of IIS website from remotely. I tried below code.

$Session = New-PSSession -ComputerName $serverName
$block = { 
import-module 'webAdministration'
Get-ChildItem -path IIS:\Sites
}
Invoke-Command -Session $Session -ScriptBlock $block  | Out-File -append $WebreportPath

But above command given me only Websites with https binding, when it comes to https it throws below error.

The data is invalid. (Exception from HRESULT: 0x8007000D)
+ CategoryInfo          : NotSpecified: (:) [Get-ChildItem], COMException
+ FullyQualifiedErrorId : System.Runtime.InteropServices.COMException,Microsoft.PowerShell.Commands.GetChildItemCommand

I am trying to renmote a Windows Server 2008 R2 with IIS 7. Please guide me. Thanks !

Answer 1

Hope this will help for someone. Below is my findings and the answer.

Powershell sends only objects remotely, and render them using available templates. So need to give a template accordingly. I used "Format-Table". Be-careful, if you use "Format-Table" outside it results same error. Remember to use it inside the scriptblock.

Error-prone:

Invoke-Command  -ComputerName $serverName { Import-Module WebAdministration; Get-ChildItem -path IIS:\Sites} | Format-Table | Out-File -append $WebreportPath

Correct code:

Invoke-Command  -ComputerName $serverName { Import-Module WebAdministration; Get-ChildItem -path IIS:\Sites | Format-Table} | Out-File -append $WebreportPath

My refers : http://forums.iis.net/t/1155059.aspx?IIS+provider+and+PowerShell+remoting

Good Luck !

Answer 2

There seems to be some problem with retrieving the objects using a remote session, but that is no blocking issue (I have run into this as well).

To prevent the error from being written, you can use -ErrorAction like this:

$Session = New-PSSession -ComputerName $serverName

$block = { 
    Import-Module 'webAdministration'
    Get-ChildItem -path IIS:\Sites
}

Invoke-Command -Session $Session -ErrorAction SilentlyContinue -ScriptBlock $block | 
    Out-File -append $WebreportPath

This way you will not see the remoting error, but you will still receive the data you need.

Note that this hides all errors, so you are possibly hiding an error that you may want to see. For that you will need a fix for the underlying ptoblem, so you can remove the -ErrorAction patch.