Description of the Windows Server 2008 read-only domain controller compatibility pack for Windows Server 2003 clients and for Windows XP clients
On This PageINTRODUCTIONThis article describes the Windows Server 2008 read-only domain controller (RODC) compatibility pack for Windows Server 2003 clients and for Windows XP clients. This update addresses compatibility issues that occur with down-level clients that do not support Windows Server 2008 RODC features. MORE INFORMATIONYou do not necessarily have to apply this update before you can deploy a read-only domain controller. Sometimes, compatibility issues do not affect your deployment. Or, you may be able to use a workaround instead of applying the update. The following sections describe the following items:
Issue 1SymptomIf a client can access only read-only domain controllers, Windows Management Instrumentation (WMI) filters that are configured for Group Policy are not applied. Additionally, the Gpsvc.log file contains the following information:GPSVC(410.8ec) 15:17:45:808 FilterCheck: Found WMI Filter id of: filter ID Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available.InfluenceThe Group Policy object to which the WMI filters are linked may not be applied.WorkaroundNo workaround is available for this issue.Issue 2SymptomInternet Protocol security (IPsec) policies cannot be applied, and Win32 error code 8219 (ERROR_POLICY_OBJECT_NOT_FOUND) is returned when only Windows Server 2008 read-only domain controllers are available.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario.InfluenceComputers that are running Windows 2000, Windows XP, or Windows Server 2003 do not receive IPsec policies that are applied by a read-only domain controller.WorkaroundNo workaround is available for this issue.Issue 3SymptomWindows Server 2003 member computers and Windows XP member computers do not synchronize Win32 time with Windows Server 2008 read-only domain controllers.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario or in a perimeter network scenario in which a writable domain controller cannot be contacted.Note A perimeter network is also known as "DMZ," "demilitarized zone," and "screened subnet." InfluenceIf the time of services is severely asynchronous, you may receive error messages when you try to access resources on the network.WorkaroundTo work around this issue, configure the client computers to synchronize time from another domain controller that is available on the network.Issue 4SymptomComputers in a perimeter network cannot join the domain.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario or in a perimeter network scenario.InfluenceComputers cannot join the domain even though the computer account and the password are pre-populated on the read-only domain controller.WorkaroundTo work around this issue, create firewall rules to enable a writable domain controller to be contacted.Or, bridge the perimeter network and intranet networks. Do this only when your organization's policies allow for this operation. Issue 5SymptomIn a site that has only read-only domain controllers available, users try to change their passwords on computers that are running Windows 2000, Windows XP, or Windows Server 2003. When the users do this, the password change operation fails.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a perimeter network scenario.InfluenceUsers cannot change their passwords.WorkaroundTo work around this issue, create firewall rules to enable a writable domain controller to be contacted. Or, have the users change passwords by using a computer that is running Windows Vista or Windows Server 2008.Issue 6SymptomWindows Server 2008 read-only domain controllers cannot retrieve or create the public key certificate by using the LsaRetrievePrivateData function or the LsaStorePrivateData function.The call to the LsaRetrievePrivateData function finishes. However, a NULL value is returned for the private data. The call to the LsaStorePrivateData function fails, and error code 0xc0000034 is returned. Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario or in a perimeter network scenario.InfluenceThe Data Protection API (DPAPI) on clients that can access only read-only domain controllers cannot decrypt master keys unless these clients previously contacted a writable domain controller and retrieved a public key certificate. Even though a writable domain controller is available, the DPAPI still cannot decrypt master keys if the nearest domain controller is a read-only domain controller.WorkaroundWhen the DPAPI tries to decrypt master keys, make sure that the client has access to only a writable domain controller.Note Typically, the DPAPI tries to decrypt master keys during password changes. Issue 7SymptomWhen you try to publish a printer, the published printer may not work correctly.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario.InfluenceIf a read-only domain controller receives a request to publish a printer, the read-only domain controller forwards the request to a writable domain controller. The spooler tries to read from the read-only domain controller immediately after the write action is implemented. However, the spooler does this before the printer publish information is replicated to the read-only domain controller. Therefore, the publish operation fails.WorkaroundNo workaround is available for this issue.Issue 8SymptomIn a site that has only read-only domain controllers available, you use the Find Printer dialog box on a client computer that is running Windows 2000, Windows XP, or Windows Server 2003. When you do this, the Find Printer dialog box stops responding.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario.InfluenceUsers cannot find printers that are published in Active Directory Domain Services.WorkaroundNo workaround is available for this issue.Issue 9SymptomActive Directory Service Interfaces (ADSI) API functions in Windows Server 2003 and in Windows XP always send requests to a remote writable domain controller instead of to a local read-only domain controller.Scenario and affected clientsThis issue affects clients in a site that has only read-only domain controllers available. Typically, this issue occurs in a branch office scenario.InfluenceThis issue causes unnecessary network traffic and access latency.WorkaroundMake sure that all clients have connectivity to a writable domain controller when these clients call ADSI API functions. Do this even if the function calls make only read operations.Issue 10SymptomDomain controllers that are running Windows Server 2003 perform automatic site coverage for sites that have read-only domain controllers.Scenario and affected clientsThis issue affects domain controllers that provide automatic site coverage for other branch office sites. Typically, this issue occurs in a branch office scenario.InfluenceA domain controller that is running Windows Server 2003 may register its DNS SRV resource records for a site that contains a read-only domain controller. Therefore, the clients may not authenticate as expected with the local read-only domain controller.WorkaroundTo work around this issue, use one of the following methods:
Update informationThe following files are available for download from the Microsoft Download Center:Update for Windows Server 2003 Download the Update for Windows Server 2003 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=9AA16639-81A7-4CB4-B573-063CDE1C6AC3)Update for Windows Server 2003 for Itanium-based systems Download the Update for Windows Server 2003 for Itanium-based Systems package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=79870767-4B4C-4D05-8370-71CCACE66F03)Update for Windows Server 2003 x64 Edition Download the Update for Windows Server 2003 x64 Edition package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=9E20C893-9391-40EC-B47A-632DF6B5CDD1)Update for Windows XP Download the Update for Windows XP package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=7C1CB63F-7447-4DB3-AA3A-4C9DC9547B40)Update for Windows XP x64 Edition Download the Update for Windows XP x64 Edition package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=7A1F33EB-8206-4837-AB04-86A5AC8586B2)For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: 119591 (http://support.microsoft.com/kb/119591/) How to obtain Microsoft support files from online services
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Windows XP update informationPrerequisitesTo apply this hotfix, you must have Windows XP Service Pack 2 or Windows XP Service Pack 3 installed.For more information, click the following article number to view the article in the Microsoft Knowledge Base: 322389 (http://support.microsoft.com/kb/322389/)
How to obtain the latest Windows XP service pack
Restart requirementYou must restart the computer after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace a previously released hotfix.File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Windows XP with Service Pack 2, x86-based versions
Windows XP with Service Pack 3, x86-based versions
Windows Server 2003 update informationPrerequisitesTo apply this hotfix, you must have Windows Server 2003 Service Pack 1 or Windows Server 2003 Service Pack 2 installed.For more information, click the following article number to view the article in the Microsoft Knowledge Base: 889100 (http://support.microsoft.com/kb/889100/)
How to obtain the latest service pack for Windows Server 2003
Restart requirementYou must restart the computer after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace a previously released hotfix.File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Windows Server 2003 with Service Pack 1, x86-based versions
Windows Server 2003 with Service Pack 2, x86-based versions
Windows Server 2003 with Service Pack 1, Itanium-based versions
Windows Server 2003 with Service Pack 2, Itanium-based versions
Windows Server 2003 with Service Pack 1, x64-based versions
Windows Server 2003 with Service Pack 2, x64-based versions
About WMI filtersYou can use a WMI filter to specify criteria that must be met before the linked Group Policy object is applied to a computer. The WMI filter can filter the computers to which you want to apply the Group Policy settings so that you do not have to subdivide your organizational unit.How to enable logging in the Gpsvc.log fileTo enable logging in the Gpsvc.log file, follow these steps.Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
824684 (http://support.microsoft.com/kb/824684/LN/) Description of the standard terminology that is used to describe Microsoft software updates APPLIES TO
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