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安裝完成后如何找回SQL Server實(shí)例安裝時(shí)的序列號(hào)

 更新時(shí)間:2015年09月12日 14:32:51   作者:張騫  
當(dāng)我們需要再次安裝sqlserver時(shí),如何找回sqlserver實(shí)例安裝時(shí)的序列號(hào)呢?下面,跟著腳本之家小編一起學(xué)習(xí)安裝完成后如何找回SQL Server實(shí)例安裝時(shí)的序列號(hào),需要的朋友可以參考下

當(dāng)需要再次安裝SQL Server時(shí),如果序列號(hào)找不到了,可以試著從已經(jīng)安裝的實(shí)例里找回序列號(hào),因?yàn)榘惭b完SQL Server后,序列號(hào)(Product Key)被保存在注冊(cè)表里;

MSDN訂閱下載的安裝包是內(nèi)置序列號(hào)的,則沒(méi)有這個(gè)困擾。

一. 序列號(hào)保存在哪

通過(guò)無(wú)文檔記載的擴(kuò)展存儲(chǔ)過(guò)程xp_regread讀取注冊(cè)表:

--For SQL Server 2008, 2008 R2
use master
GO
exec xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\Setup','ProductCode'
exec xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\Setup','DigitalProductID'
GO
--For SQL Server 2012
use master
GO
exec xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Microsoft SQL Server\110\Tools\Setup','ProductCode'
exec xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Microsoft SQL Server\110\Tools\Setup','DigitalProductId'
GO

不要被ProductCode迷惑,就算只安裝了SQL Server客戶(hù)端,注冊(cè)表里也會(huì)有這個(gè)鍵值,并不是序列號(hào),DigitalProductID才是,但經(jīng)過(guò)了Base24編碼,需要解碼才行。

可以看到,對(duì)于不同版本,注冊(cè)表的路徑不一樣,但是鍵是一致的。

Express版是免費(fèi)的,沒(méi)有序列號(hào),從而注冊(cè)表也沒(méi)DigitalProductID這個(gè)鍵。

二. 如何解碼序列號(hào)

1. Base24, Base64 編碼簡(jiǎn)介

可能很多人聽(tīng)說(shuō)過(guò)Base64編碼,它用于對(duì)比較長(zhǎng)的字符串進(jìn)行編碼,以方便傳輸;

Base24編碼主要應(yīng)用在序列號(hào)生成上,兩者的實(shí)現(xiàn)思路是類(lèi)似的,只是編碼的模式有點(diǎn)變化。

Base64所對(duì)應(yīng)的編碼表是:

ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=

共計(jì)64個(gè)字符。

Base24所對(duì)應(yīng)的編碼表是:

BCDFGHJKMPQRTVWXY2346789

共計(jì)24個(gè)字符,這里主要去掉了一些對(duì)于序列號(hào)來(lái)說(shuō)不容易識(shí)別和容易混淆的字符。

SQL Server的序列號(hào)采用的是Base24編碼,對(duì)編碼后的字符進(jìn)行解碼,即可以得到原文。

編碼/解碼并不是加密/解密,沒(méi)有秘鑰的說(shuō)法,只有字符轉(zhuǎn)換的規(guī)則,Base24, Base64詳細(xì)的算法可以在網(wǎng)上找到。

2. 利用Powershell 解碼

以下powershell函數(shù)用于解碼/找回SQL Server序列號(hào),在SQL Server 2008, 2008 R2實(shí)例上測(cè)試通過(guò):

function Get-SQLServerKey {
  ## function to retrieve the license key of a SQL 2008 Server.
   param ($targets = ".")
  $hklm = 2147483650
  $regPath = "SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\Setup"
  $regValue1 = "DigitalProductId"
  $regValue2 = "PatchLevel"
  $regValue3 = "Edition"
  Foreach ($target in $targets) {
    $productKey = $null
    $win32os = $null
    $wmi = [WMIClass]"\\$target\root\default:stdRegProv"
    $data = $wmi.GetBinaryValue($hklm,$regPath,$regValue1)
    [string]$SQLver = $wmi.GetstringValue($hklm,$regPath,$regValue2).svalue
    [string]$SQLedition = $wmi.GetstringValue($hklm,$regPath,$regValue3).svalue
    $binArray = ($data.uValue)[52..66]
    $charsArray = "B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9"
    ## decrypt base24 encoded binary data
    For ($i = 24; $i -ge 0; $i--) {
      $k = 0
      For ($j = 14; $j -ge 0; $j--) {
        $k = $k * 256 -bxor $binArray[$j]
        $binArray[$j] = [math]::truncate($k / 24)
        $k = $k % 24
     }
      $productKey = $charsArray[$k] + $productKey
      If (($i % 5 -eq 0) -and ($i -ne 0)) {
        $productKey = "-" + $productKey
      }
    }
    $win32os = Get-WmiObject Win32_OperatingSystem -computer $target
    $obj = New-Object Object
    $obj | Add-Member Noteproperty Computer -value $target
    $obj | Add-Member Noteproperty OSCaption -value $win32os.Caption
    $obj | Add-Member Noteproperty OSArch -value $win32os.OSArchitecture
    $obj | Add-Member Noteproperty SQLver -value $SQLver
    $obj | Add-Member Noteproperty SQLedition -value $SQLedition
    $obj | Add-Member Noteproperty ProductKey -value $productkey
    $obj
  }
}

SQL Server 2012序列號(hào)里字符的格式發(fā)生了變化,$binArray = ($data.uValue)[0..16] 不同于SQL Server 2008的$binArray = ($data.uValue)[52..66],同時(shí)別忘了改下注冊(cè)表路徑$regPath = "SOFTWARE\Microsoft\Microsoft SQL Server\110\Tools\Setup",修改后如下,在SQL Server 2012實(shí)例上測(cè)試通過(guò):

function Get-SQLServerKey {
## function to retrieve the license key of a SQL 2012 Server.
## by Jakob Bindslet (jakob@bindslet.dk)
## 2012 Modification by Xian Wang (daanno2@gmail.com)
param ($targets = ".")
$hklm = 2147483650
$regPath = "SOFTWARE\Microsoft\Microsoft SQL Server\110\Tools\Setup"
$regValue1 = "DigitalProductId"
$regValue2 = "PatchLevel"
$regValue3 = "Edition"
Foreach ($target in $targets) {
$productKey = $null
$win32os = $null
$wmi = [WMIClass]"\\$target\root\default:stdRegProv"
$data = $wmi.GetBinaryValue($hklm,$regPath,$regValue1)
[string]$SQLver = $wmi.GetstringValue($hklm,$regPath,$regValue2).svalue
[string]$SQLedition = $wmi.GetstringValue($hklm,$regPath,$regValue3).svalue
$binArray = ($data.uValue)[0..16]
$charsArray = "B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9"
## decrypt base24 encoded binary data
For ($i = 24; $i -ge 0; $i--) {
$k = 0
For ($j = 14; $j -ge 0; $j--) {
$k = $k * 256 -bxor $binArray[$j]
$binArray[$j] = [math]::truncate($k / 24)
$k = $k % 24
}
$productKey = $charsArray[$k] + $productKey
If (($i % 5 -eq 0) -and ($i -ne 0)) {
$productKey = "-" + $productKey
}
}
$win32os = Get-WmiObject Win32_OperatingSystem -computer $target
$obj = New-Object Object
$obj | Add-Member Noteproperty Computer -value $target
$obj | Add-Member Noteproperty OSCaption -value $win32os.Caption
$obj | Add-Member Noteproperty OSArch -value $win32os.OSArchitecture
$obj | Add-Member Noteproperty SQLver -value $SQLver
$obj | Add-Member Noteproperty SQLedition -value $SQLedition
$obj | Add-Member Noteproperty ProductKey -value $productkey
$obj
}
}

3. 調(diào)用powershell函數(shù)并輸出序列號(hào)

打開(kāi)powershell,把上面的函數(shù)貼進(jìn)去,回車(chē),輸入Get-SQLServerKey 并回車(chē);

或者把上面的函數(shù)存為.ps1文件直接引用:

PS C:\Windows\system32> . C:\Users\username\Desktop\pk.ps1
PS C:\Windows\system32> Get-SQLserverKey

輸出結(jié)果如下,首尾幾個(gè)字符被人為改成星號(hào),沒(méi)有貼出來(lái)。

Computer  : .
OSCaption : Microsoft Windows Server 2012 R2 Standard
OSArch   : 64-bit
SQLver   : 11.2.5058.0
SQLedition : Developer Edition
ProductKey : *****-G8T4R-QW4XX-BVH62-*****

對(duì)于SQL Server 2000, 2005,由于手頭沒(méi)有環(huán)境,沒(méi)有測(cè)試;對(duì)于Office,Windows系統(tǒng),應(yīng)該也都可以通過(guò)類(lèi)似的方式拿到序列號(hào)。

以上內(nèi)容就是關(guān)于安裝完成后如何找回SQL Server實(shí)例安裝時(shí)的序列號(hào),希望大家有所幫助。

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