Microsoft KB Archive/311257

= SMS: Resources Are Not Discovered if Anonymous Connections Are Turned Off =

Article ID: 311257

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Systems Management Server 2.0 Standard Edition

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This article was previously published under Q311257



SYMPTOMS
When you are using the Network Discovery method in Systems Management Server (SMS) 2.0 and Remote Client Installation with the Topology, client, and client operating systems Network Discovery option is turned on, computers may be discovered, but may not be installed. The following entry in the NetDisc.log file may show that Network Discovery could not connect to the computer to determine the operating system name and version:

ADM: NtBrowser: Failed to create an anonymous connection to device computer name due to insufficient access.



CAUSE
This problem may occur if anonymous connections are turned off on the discovered computer.



WORKAROUND
To work around this problem, turn on anonymous connections, either manually through the registry, or by using a group policy.

Registry Method
For additional information manual configuration of anonymous connections by using the registry, click the article numbers below to view the articles in the Microsoft Knowledge Base:

143474 Restricting Information Available to Anonymous Logon Users

246261 How to Use the RestrictAnonymous Registry Value in Windows 2000

Group Policy Method
For group policies that are defined at either the local, site, domain, or organizational unit level, either turn off or change the setting to '''None. Rely on default permissions''' in the Group Policy editor under:

Computer Configuration \ Windows Settings \ Security Settings \ Local Policies \ Additional restrictions for anonymous connections

RESOLUTION
This problem has been corrected in the fix that is described in the following Microsoft Knowledge Base article:

312512 SMS: Network Discovery Cannot Connect Anonymously to Client After Remote Client Installation



STATUS
Microsoft has confirmed this to be a problem in Systems Management Server version 2.0.



MORE INFORMATION
SMS Network Discovery uses an anonymous connection to determine what operating system and version a computer has. SMS Network Discovery does not use the SNMP SysDescr value, it makes an RPC call even if SNMP is turned on. If SMS Network Discovery cannot determine the operating system, it cannot write that property to the resulting Discovery Data Record (DDR). Because SMS Discovery Data Manager (DDM) only writes Client Configuration Requests (CCRs) for computers that are running Microsoft Windows NT, Microsoft Windows 2000, or Microsoft Windows XP, DDM is designed to not create CCRs unless it can determine the operating system from the DDR.

Additional query words: prodsms

Keywords: kbbug kbnetwork kbui KB311257

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