Demote error : "The directory service is missing mandatory configuration information, and is unable to determine the ownership of floating single-master operation roles."

dcpromo.log

09/20/2011 01:03:48 [INFO] Active Directory Domain Services could not transfer the remaining data in directory partition DC=ForestDnsZones,DC=msft,DC=com to

Active Directory Domain Controller \\dc1.msft.com..

09/20/2011 01:03:48 [INFO] Searching for other replicas of directory partition DC=ForestDnsZones,DC=msft,DC=com on the network...

09/20/2011 01:03:48 [INFO] Error - Active Directory Domain Services could not transfer the remaining data in directory partition DC=ForestDnsZones,DC=msft,DC=com to

Active Directory Domain Controller \\dc1.msft.com.. (8434)

09/20/2011 01:03:48 [ERROR] Failed to prepare the Directory Service for uninstallation (8434)

09/20/2011 01:03:48 [INFO] The attempted domain controller operation has completed

解決方法

透過KB 的VBScript

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

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

來修改DC=DomainDnsZones,DC=msft,DC=com與 DC=ForestDnsZones,DC=msft,DC=com 的Infrastructure fSMORoleOwner屬性

fixfsmo.vbs請由KB文件取得

其他參考

Error message when you run the "Adprep /rodcprep" command in Windows Server 2008: "Adprep could not contact a replica for partition DC=DomainDnsZones,DC=Contoso,DC=com"

http://support.microsoft.com/kb/949257/en-us