powershell – Win32_Product的替代品？

好吧.在玩了查询Win32_Product以找到软件版本后,我无法理解为什么结果如此慢狗.比查询Win32_service或Win32_process慢15倍.所以来这里看我是否遗漏了什么,我发现其他人报告了同样的问题,这 article解释了原因.

查找已安装软件的最常用的替代方法是查询注册表项或三个.这将是我的第一个解决方案,除了我的公司尚未配置服务器接受PSRemoting.任何reg查询只返回Kerberos身份验证错误.我可以在各个服务器上启用PSRemoting,但我的团队支持30K系统.所以解决方案就出来了.

最重要的是,我们正在将Symantec Endpoint Protection从v.11升级到v.12,我想要一个简单的检查来查找服务器上安装的版本.除了Win32_Product和注册表查询之外,还有其他选择吗？

我远程使用注册表,没有PSRemoting.这是我编写的函数,每天用于查询软件.

Function Get-RemoteSoftware{
<#
.SYnopSIS 
displays all software listed in the registry on a given computer.

.DESCRIPTION
Uses the SOFTWARE registry keys (both 32 and 64bit) to list the name,version,vendor,and uninstall string for each software entry on a given computer.

.EXAMPLE
C:\PS> Get-RemoteSoftware -ComputerName SERVER1
This shows the software installed on SERVER1.
#>

param (
    [Parameter(mandatory=$true,ValueFromPipelineByPropertyName=$true)][string[]]
    # Specifies the computer name to connect to
    $ComputerName
)

Process {
    foreach ($Computer in $ComputerName)
    {
        #Open Remote Base
        $reg=[microsoft.win32.registrykey]::OpenRemoteBaseKey('LocalMachine',$Computer)

        #Check if it's got 64bit regkeys
        $keyRootSoftware = $reg.OpenSubKey("SOFTWARE")
        [bool]$is64 = ($keyRootSoftware.GetSubKeyNames() | ? {$_ -eq 'WOW6432Node'} | Measure-Object).Count
        $keyRootSoftware.Close()

        #Get all of they keys into a list
        $softwareKeys = @()
        if ($is64){
            $pathUninstall64 = "SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall"
            $keyUninstall64 = $reg.OpenSubKey($pathUninstall64)
            $keyUninstall64.GetSubKeyNames() | % {
                $softwareKeys += $pathUninstall64 + "\\" + $_
            }
            $keyUninstall64.Close()
        }
        $pathUninstall32 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall"
        $keyUninstall32 = $reg.OpenSubKey($pathUninstall32)
        $keyUninstall32.GetSubKeyNames() | % {
            $softwareKeys += $pathUninstall32 + "\\" + $_
        }
        $keyUninstall32.Close()

        #Get information from all the keys
        $softwareKeys | % {
            $subkey=$reg.OpenSubKey($_)
            if ($subkey.GetValue("displayName")){
                $installDate = $null
                if ($subkey.GetValue("InstallDate") -match "/"){
                    $installDate = Get-Date $subkey.GetValue("InstallDate")
                }
                elseif ($subkey.GetValue("InstallDate").length -eq 8){
                    $installDate = Get-Date $subkey.GetValue("InstallDate").Insert(6,".").Insert(4,".")
                }
                New-Object PSObject -Property @{
                    ComputerName = $Computer
                    Name = $subkey.GetValue("displayName")
                    Version = $subKey.GetValue("displayVersion")
                    vendor = $subkey.GetValue("Publisher")
                    UninstallString = $subkey.GetValue("UninstallString")
                    InstallDate = $installDate
                }
            }

            $subkey.Close()
        }
        $reg.Close()
    }
}

}

原文地址：https://www.jb51.cc/windows/365514.html

powershell – Win32_Product的替代品？

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