Windows – Programmatically check if a Windows Server 2008 Feature is installed, and Install it

installationscriptwindows-server-2008-r2

I'd like to be able to detect in a script whether a Windows Server 2008 installation has specific Windows features enabled, and install them if necessary. I do not simply want to use a "try to install the feature, even if it is already installed" approach, as I need to be able to perform additional steps at the install time.

For example, I know I can install the SNMP Service using the command line:

pkgmgr /iu:SNMP

What I don't know is how to check whether this package has been installed, ideally from VBScript/WMI, but from a command-line tool if necessary.

Ideally I also want to find a solution that does not involve Powershell, as I don't want to have to lower the powershell execution privileges that are set by default in a Windows 2008 install.

Best Answer

It seems to me that you can do this easily with a powershell script (run as administrator).

Here is an example powershell script found on the internet:

#Powershell Script To Install SNMP Services
Import-Module ServerManager
#Check If SNMP Services Are Already Installed
$check = Get-WindowsFeature | Where-Object {$_.Name -eq "SNMP-Services"}
If ($check.Installed -ne "True") {
        #Install/Enable SNMP Services
        Add-WindowsFeature SNMP-Services | Out-Null
}

You can find more information about finding out a feature's name in:
Windows Server 2008 R2: Adding Features via PowerShell

If WMIC is an option, see these articles:
New Server Core Tips
Using the new Windows Server 2008 Core OCList and OCSetup CLI tools to Add & Remove Server Roles

If programming is an option, see this stackoverflow article:
How can I programmatically check if a server feature is installed in Windows Server 2008?

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I did this recently using PowerShell and WMI. Full details here but in a nutshell something like the below works, as well as PowerShell remoting or SC.exe

function Install-Service(
[string]$serviceName = $(throw "serviceName is required"),
[string]$targetServer = $(throw "targetServer is required"),
[string]$displayName = $(throw "displayName is required"),
[string]$physicalPath = $(throw "physicalPath is required"),
[string]$userName = $(throw "userName is required"),
[string]$password = "",
[string]$startMode = "Automatic",
[string]$description = "",
[bool]$interactWithDesktop = $false
)
{        
# todo: cleanup this section
$serviceType = 16          # OwnProcess
$serviceErrorControl = 1   # UserNotified
$loadOrderGroup = $null
$loadOrderGroupDepend = $null
$dependencies = $null

# description?
$params = `
    $serviceName, `
    $displayName, `
    $physicalPath, `
    $serviceType, `
    $serviceErrorControl, `
    $startMode, `
    $interactWithDesktop, `
    $userName, `
    $password, `
    $loadOrderGroup, `
    $loadOrderGroupDepend, `
    $dependencies `

$scope = new-object System.Management.ManagementScope("\\$targetServer\root\cimv2", `
    (new-object System.Management.ConnectionOptions))
"Connecting to $targetServer"
$scope.Connect()
$mgt = new-object System.Management.ManagementClass($scope, `
    (new-object System.Management.ManagementPath("Win32_Service")), `
    (new-object System.Management.ObjectGetOptions))

$op = "service $serviceName ($physicalPath) on $targetServer"   
"Installing $op"
$result = $mgt.InvokeMethod("Create", $params)   
Test-ServiceResult -operation "Install $op" -result $result
"Installed $op"

"Setting $serviceName description to '$description'"
Set-Service -ComputerName $targetServer -Name $serviceName -Description $description
"Service install complete"
}

Best Answer

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