如何检查挂起的重启? [英] How can I check for a pending reboot?

问题描述

我试图了解 Windows 机器需要或不需要重新启动的位置.但是，我的脚本抛出错误.

I am trying to get to know where reboot is required or not for a Windows machine. However, my script is throwing and error.

powershell "$key = Get-Item "HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired" -ErrorAction SilentlyContinue"

Error :
Get-Item : A positional parameter cannot be found that accepts argument
'Update\RebootRequired'.
At line:1 char:8
+ $key = Get-Item
HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Aut ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~
    + CategoryInfo          : InvalidArgument: (:) [Get-Item], ParameterBindin
   gException
    + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.PowerShell
   .Commands.GetItemCommand

我在命令提示符"中运行此命令.不知道是什么意思！

I am running this command in "command prompt". Not sure what it means !

推荐答案

需要检查 2 个路径，一个 key，需要通过 WMI 查询配置管理器，以检查所有可能的位置.

You need to check 2 paths, one key and you need to query the configuration manager via WMI in order to check all possible locations.

#Adapted from https://gist.github.com/altrive/5329377
#Based on <http://gallery.technet.microsoft.com/scriptcenter/Get-PendingReboot-Query-bdb79542>
function Test-PendingReboot {
    if (Get-ChildItem "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending" -EA Ignore) { return $true }
    if (Get-Item "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired" -EA Ignore) { return $true }
    if (Get-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager" -Name PendingFileRenameOperations -EA Ignore) { return $true }
    try { 
        $util = [wmiclass]"\\.\root\ccm\clientsdk:CCM_ClientUtilities"
        $status = $util.DetermineIfRebootPending()
        if (($status -ne $null) -and $status.RebootPending) {
            return $true
        }
    }
    catch { }

    return $false
}

Test-PendingReboot

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