Microsoft KB Archive/908479

= The Session Directory service does not work on a Windows Server 2003-based session directory server =

Article ID: 908479

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
 * Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)

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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
After you add a Microsoft Windows Server 2003 session directory server to a Microsoft Windows NT 4.0-based domain, the Terminal Services Session Directory service on the session directory server does not work. For example, the following symptoms occur:
 * The Terminal Services Session Directory service does not keep track of sessions on terminal servers.
 * The Terminal Services Session Directory service does not reconnect users to existing sessions.

Additionally, when you try to add a terminal server to the Session Directory Computers local group, you receive the following error message:

Information returned from the object picker for object  was incomplete. The object will not be processed.



CAUSE
This issue occurs because of a Windows Server 2003 Terminal Services Session Directory service requirement. All the terminal servers that use the Session Directory service must be added to the Session Directory Computers local group. However, in Windows NT 4.0, you cannot add computer accounts to groups. Therefore, the Session Directory service does not work as you expect.



RESOLUTION
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this issue, install the latest Windows Server 2003 service pack, and then enable the SDOnNT4Domain registry entry. After you enable the SDOnNT4Domain registry entry, terminal servers that use the Session Directory service do not have to be added to the Session Directory Computers local group.

For more information about how to obtain the latest Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

To enable the SDOnNT4Domain registry entry, follow these steps:  Click Start, click Run, type regedit in the Open box, and then click OK. In Registry Editor, locate and then click the following registry subkey:

 

 In the right-pane, double-click SDOnNT4Domain.

Note You may have to create the  DWORD registry entry if it does not exist. To create the  DWORD registry entry, follow these steps:  Click Start, click Run, type regedit in the Open box, and then click OK. In Registry Editor, locate and then click the following registry subkey:

 

 On the Edit menu, point to New, and then click DWORD Value.</li> Type, and then press ENTER.</li></ol> </li> In the Value data box, type 1, and then click OK.

Note To disable the SDOnNT4Domain registry entry, type 0 in the Value data box.</li> Quit Registry Editor, and then restart the computer.</li></ol>

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MORE INFORMATION
For more information about how to configure the Terminal Services Session Directory service, click the following article number to view the article in the Microsoft Knowledge Base:

301923 How to configure Terminal Services Session Directory service

Keywords: kbwinservperf kbtermserv kbtshoot KB908479

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