降级Windows 2008 R2域控时报错的解决方法

     最近在客户现场做Windwos 2008 R2 域升级到Windows 2012 R2域,当降级Windows 2008 R2域控制器时,遇到一个问题,降级无法继续,操作失败原因为“目录服务没有必需的配置信息,并且不能决定新的浮动单主机操作角色的所有权”,具体错误如下图:

clip_image001

     经过万能的网络帮助,终找到解决方法,使用fixfsmo.vbs脚本在服务器上运行以下命令可解决:

cscript fixfsmo.vbs DC = ForestDnsZones,DC = contoso,DC = com

cscript fixfsmo.vbs DC = DomainDnsZones,DC = contoso,DC = com


'-------fixfsmo.vbs------------------

const ADS_NAME_INITTYPE_GC = 3

const ADS_NAME_TYPE_1779 = 1

const ADS_NAME_TYPE_CANONICAL = 2

set inArgs = WScript.Arguments

if (inArgs.Count = 1) then

' Assume the command line argument is the NDNC (in DN form) to use.

NdncDN = inArgs(0)

Else

Wscript.StdOut.Write "usage: cscript fixfsmo.vbs NdncDN"

End if

if (NdncDN <> "") then

' Convert the DN form of the NDNC into DNS dotted form.

Set objTranslator = CreateObject("NameTranslate")

objTranslator.Init ADS_NAME_INITTYPE_GC, ""

objTranslator.Set ADS_NAME_TYPE_1779, NdncDN

strDomainDNS = objTranslator.Get(ADS_NAME_TYPE_CANONICAL)

strDomainDNS = Left(strDomainDNS, len(strDomainDNS)-1)

Wscript.Echo "DNS name: " & strDomainDNS

' Find a domain controller that hosts this NDNC and that is online.

set objRootDSE = GetObject("LDAP://" & strDomainDNS & "/RootDSE")

strDnsHostName = objRootDSE.Get("dnsHostName")

strDsServiceName = objRootDSE.Get("dsServiceName")

Wscript.Echo "Using DC " & strDnsHostName

' Get the current infrastructure fsmo.

strInfraDN = "CN=Infrastructure," & NdncDN

set objInfra = GetObject("LDAP://" & strInfraDN)

Wscript.Echo "infra fsmo is " & objInfra.fsmoroleowner

' If the current fsmo holder is deleted, set the fsmo holder to this domain controller.

if (InStr(objInfra.fsmoroleowner, "\0ADEL:") > 0) then

' Set the fsmo holder to this domain controller.

objInfra.Put "fSMORoleOwner", strDsServiceName

objInfra.SetInfo

' Read the fsmo holder back.

set objInfra = GetObject("LDAP://" & strInfraDN)

Wscript.Echo "infra fsmo changed to:" & objInfra.fsmoroleowner

End if

End if

脚本链接:http://support.microsoft.com/kb/949257/zh-cn

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