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今天在x64的英文版Windows Server 2012 r2上安裝最新版的 Visual Studio 2015 Exterprise 時，提示需要重新啟動：
於是我restart了N次，可還是不行，在網上進行搜索，發現能在日志文件中找到原因，日志文件在C:\Users\%username%\AppData\Local\Temp中，或者直接在安裝界面點“日志文件”進入。
參考日志文件的Condition（環境檢查）部分：
[0A60:1530][2015-07-10T18:48:07]i000: MUX: Failed to download the update xml file from http://go.microsoft.com/fwlink/?LinkID=500683 Setup will not be updated. [0A60:1530][2015-07-10T18:48:07]i052: Condition '(VersionNT = v6.3) AND (WindowsBuildNumber < 9600)' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition 'CompatibilityMode = 0' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition 'NOT((VersionNT > v6.1) OR (VersionNT = v6.1 AND ServicePackLevel >= 1))' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '(NOT IsLanguagePack) AND ( CurrentOperation = "Install" ) AND ( FLP_Version > v14.0.22823 )' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition 'RebootPending = 1' evaluates to true. [0A60:1530][2015-07-10T18:48:07]i052: Condition 'NOT (IEsvcVersionExists) OR (IEsvcVersion < v10.0)' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '(VersionNT < v6.2) AND ((NetworkAvailable = 0) OR (DisableRootAutoUpdate = 1)) AND NOT ((MicrosoftRootCertificateAuthority2011RootExists OR MicrosoftRootCertificateAuthority2011AuthRootExists) AND (MicrosoftRootCertificateAuthority2010RootExists OR MicrosoftRootCertificateAuthority2010AuthRootExists))' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '( CurrentOperation = "Install" AND EnterpriseExists )' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '( CurrentOperation = "Install" AND UltimateExists )' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '( CurrentOperation = "Install" AND NOT EnterpriseExists AND ProfessionalExists)' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '(VersionNT = v6.3) AND (KB2919355_amd64_CurrentState <> 112 AND KB2919355_x86_CurrentState <> 112)' evaluates to false. [0A60:1530][2015-07-10T18:48:07]i052: Condition '(VersionNT = v6.3) AND (netfxfullredist_43_DetectKey < v4.5.22816)' evaluates to false.
發現當VS進行安裝前的環境檢查時，當結果為 false 時代表檢查通過，結果為 true 時代表沒有通過安裝環境檢查。
日志中顯示沒有通過檢查的有：
[0A60:1530][2015-07-10T18:48:07]i052: Condition 'RebootPending = 1' evaluates to true.
這個'RebootPending = 1'代表系統需要重啟，可問題是：我重啟了之后RebootPending還是等於1，這就是問題之所在。
於是，在網上尋找各種關於'RebootPending = 1'的解決方案，歸結於以下幾種：
- 重啟直接選擇 restart 而不是 shut down 再開機。
- 關閉系統的休眠功能：管理員模式運行命令行，輸入powercfg.exe /hibernate off 進行關閉休眠。關閉休眠后等於關閉了 win8 及以上系統的快速啟動功能，這樣能使得系統能真正地重啟，而不是休眠之后快速啟動。
- 在注冊表中將鍵值HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\UpdateExeVolatile 設為0；將鍵 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations 刪除。
在嘗試以上方法之后，有可能解決一部分人的問題，可偏偏我就是另外一部分，特別是連鍵值HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\UpdateExeVolatile 都找不到。
網上能找的都找了，花了好幾個小時，沒辦法，只能換一種思路：
新思路：既然你要檢查系統是否需要重新啟動，那我是否能偽造一種不需要重新啟動的狀態給你看？
於是尋找目前檢查系統重啟狀態的方法，發現如下方案：
以及它的參考：
https://gallery.technet.microsoft.com/scriptcenter/Get-PendingReboot-Query-bdb79542
其中使用的是 Windows power shell 對注冊表進行讀取、判斷，從而確定 RebootPending 的值。代碼如下：
Function Get-PendingReboot { <# .SYNOPSIS Gets the pending reboot status on a local or remote computer. .DESCRIPTION This function will query the registry on a local or remote computer and determine if the system is pending a reboot, from either Microsoft Patching or a Software Installation. For Windows 2008+ the function will query the CBS registry key as another factor in determining pending reboot state. "PendingFileRenameOperations" and "Auto Update\RebootRequired" are observed as being consistant across Windows Server 2003 & 2008. CBServicing = Component Based Servicing (Windows 2008) WindowsUpdate = Windows Update / Auto Update (Windows 2003 / 2008) CCMClientSDK = SCCM 2012 Clients only (DetermineIfRebootPending method) otherwise $null value PendFileRename = PendingFileRenameOperations (Windows 2003 / 2008) .PARAMETER ComputerName A single Computer or an array of computer names. The default is localhost ($env:COMPUTERNAME). .PARAMETER ErrorLog A single path to send error data to a log file. .EXAMPLE PS C:\> Get-PendingReboot -ComputerName (Get-Content C:\ServerList.txt) | Format-Table -AutoSize Computer CBServicing WindowsUpdate CCMClientSDK PendFileRename PendFileRenVal RebootPending -------- ----------- ------------- ------------ -------------- -------------- ------------- DC01 False False False False DC02 False False False False FS01 False False False False This example will capture the contents of C:\ServerList.txt and query the pending reboot information from the systems contained in the file and display the output in a table. The null values are by design, since these systems do not have the SCCM 2012 client installed, nor was the PendingFileRenameOperations value populated. .EXAMPLE PS C:\> Get-PendingReboot Computer : WKS01 CBServicing : False WindowsUpdate : True CCMClient : False PendComputerRename : False PendFileRename : False PendFileRenVal : RebootPending : True This example will query the local machine for pending reboot information. .EXAMPLE PS C:\> $Servers = Get-Content C:\Servers.txt PS C:\> Get-PendingReboot -Computer $Servers | Export-Csv C:\PendingRebootReport.csv -NoTypeInformation This example will create a report that contains pending reboot information. .LINK Component-Based Servicing: http://technet.microsoft.com/en-us/library/cc756291(v=WS.10).aspx PendingFileRename/Auto Update: http://support.microsoft.com/kb/2723674 http://technet.microsoft.com/en-us/library/cc960241.aspx http://blogs.msdn.com/b/hansr/archive/2006/02/17/patchreboot.aspx SCCM 2012/CCM_ClientSDK: http://msdn.microsoft.com/en-us/library/jj902723.aspx .NOTES Author: Brian Wilhite Email: bcwilhite (at) live.com Date: 29AUG2012 PSVer: 2.0/3.0/4.0/5.0 Updated: 01DEC2014 UpdNote: Added CCMClient property - Used with SCCM 2012 Clients only Added ValueFromPipelineByPropertyName=$true to the ComputerName Parameter Removed $Data variable from the PSObject - it is not needed Bug with the way CCMClientSDK returned null value if it was false Removed unneeded variables Added PendFileRenVal - Contents of the PendingFileRenameOperations Reg Entry Removed .Net Registry connection, replaced with WMI StdRegProv Added ComputerPendingRename #> [CmdletBinding()] param( [Parameter(Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)] [Alias("CN","Computer")] [String[]]$ComputerName="$env:COMPUTERNAME", [String]$ErrorLog ) Begin { }## End Begin Script Block Process { Foreach ($Computer in $ComputerName) { Try { ## Setting pending values to false to cut down on the number of else statements $CompPendRen,$PendFileRename,$Pending,$SCCM = $false,$false,$false,$false ## Setting CBSRebootPend to null since not all versions of Windows has this value $CBSRebootPend = $null ## Querying WMI for build version $WMI_OS = Get-WmiObject -Class Win32_OperatingSystem -Property BuildNumber, CSName -ComputerName $Computer -ErrorAction Stop ## Making registry connection to the local/remote computer $HKLM = [UInt32] "0x80000002" $WMI_Reg = [WMIClass] "\\$Computer\root\default:StdRegProv" ## If Vista/2008 & Above query the CBS Reg Key If ([Int32]$WMI_OS.BuildNumber -ge 6001) { $RegSubKeysCBS = $WMI_Reg.EnumKey($HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\") $CBSRebootPend = $RegSubKeysCBS.sNames -contains "RebootPending" } ## Query WUAU from the registry $RegWUAURebootReq = $WMI_Reg.EnumKey($HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\") $WUAURebootReq = $RegWUAURebootReq.sNames -contains "RebootRequired" ## Query PendingFileRenameOperations from the registry $RegSubKeySM = $WMI_Reg.GetMultiStringValue($HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\","PendingFileRenameOperations") $RegValuePFRO = $RegSubKeySM.sValue ## Query ComputerName and ActiveComputerName from the registry $ActCompNm = $WMI_Reg.GetStringValue($HKLM,"SYSTEM\CurrentControlSet\Control\ComputerName\ActiveComputerName\","ComputerName") $CompNm = $WMI_Reg.GetStringValue($HKLM,"SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName\","ComputerName") If ($ActCompNm -ne $CompNm) { $CompPendRen = $true } ## If PendingFileRenameOperations has a value set $RegValuePFRO variable to $true If ($RegValuePFRO) { $PendFileRename = $true } ## Determine SCCM 2012 Client Reboot Pending Status ## To avoid nested 'if' statements and unneeded WMI calls to determine if the CCM_ClientUtilities class exist, setting EA = 0 $CCMClientSDK = $null $CCMSplat = @{ NameSpace='ROOT\ccm\ClientSDK' Class='CCM_ClientUtilities' Name='DetermineIfRebootPending' ComputerName=$Computer ErrorAction='Stop' } ## Try CCMClientSDK Try { $CCMClientSDK = Invoke-WmiMethod @CCMSplat } Catch [System.UnauthorizedAccessException] { $CcmStatus = Get-Service -Name CcmExec -ComputerName $Computer -ErrorAction SilentlyContinue If ($CcmStatus.Status -ne 'Running') { Write-Warning "$Computer`: Error - CcmExec service is not running." $CCMClientSDK = $null } } Catch { $CCMClientSDK = $null } If ($CCMClientSDK) { If ($CCMClientSDK.ReturnValue -ne 0) { Write-Warning "Error: DetermineIfRebootPending returned error code $($CCMClientSDK.ReturnValue)" } If ($CCMClientSDK.IsHardRebootPending -or $CCMClientSDK.RebootPending) { $SCCM = $true } } Else { $SCCM = $null } ## Creating Custom PSObject and Select-Object Splat $SelectSplat = @{ Property=( 'Computer', 'CBServicing', 'WindowsUpdate', 'CCMClientSDK', 'PendComputerRename', 'PendFileRename', 'PendFileRenVal', 'RebootPending' )} New-Object -TypeName PSObject -Property @{ Computer=$WMI_OS.CSName CBServicing=$CBSRebootPend WindowsUpdate=$WUAURebootReq CCMClientSDK=$SCCM PendComputerRename=$CompPendRen PendFileRename=$PendFileRename PendFileRenVal=$RegValuePFRO RebootPending=($CompPendRen -or $CBSRebootPend -or $WUAURebootReq -or $SCCM -or $PendFileRename) } | Select-Object @SelectSplat } Catch { Write-Warning "$Computer`: $_" ## If $ErrorLog, log the file to a user specified location/path If ($ErrorLog) { Out-File -InputObject "$Computer`,$_" -FilePath $ErrorLog -Append } } }## End Foreach ($Computer in $ComputerName) }## End Process End { }## End End }## End Function Get-PendingReboot
發現其對一下幾個主鍵進行讀取：
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ComputerName\ActiveComputerName\ComputerName
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName\ComputerName
於是我開始尋找這些主鍵：
- 第一個沒找到，嘗試刪除之下的 SessionsPending ，被拒絕；
- 找到了第二個對應的 RebootRequired ，里頭有東西，備份后刪除之；
- 找到第三個對應的 PendingFileRenameOperations ，同樣刪除之；
沒有重啟的情況下嘗試重新安裝，成功進入安裝環節！
吁~忙了一下午，終於搞定！
此時聯想到之前裝完系統更新時提示要重啟，可后來重啟過后還是要求重啟，當時也沒注意，沒想到又給碰上了，真是緣分！
到此為止，事情可遠遠沒有結束，明天用VS調試CEC2014程序導致MATLAB調用func19~30崩潰的問題，估計又得一整天了……還有POWELL法和DE的結合測試，想着就頭皮發麻……自己選的路，喊着淚也得走下去哇
最后，原此篇文章能幫到更多的人！