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Article ID: 811876 - Last Review: March 14, 2006 - Revision: 2.1

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

SYMPTOMS

In a cluster environment, network adapters may disappear from the following locations:
  • Device Manager.
  • The Local Area Connection Properties dialog box.
  • The Windows registry.
The virtual server that SQL Server is running on may not function appropriately in the corresponding cluster environment. This results in the following:
  • The memory usage of the computer may be very high.
  • The Network Connection icon disappears from the notification area and from My Network Places.
  • The following error messages may be logged in the Event Viewer:
    Event ID: 1045
    Type: Error
    Source: ClusSvc
    Description: Cluster IP Address resource xxx.xxx.xxx.xxx could not create the required TCP/IP interface.
    Note The following error message is logged when you try to bring a Clustered Internet Protocol (IP) Address online:
    Event ID: 1095
    Type: Error
    Source: ClusSvc
    Description: Microsoft Cluster Server failed to obtain information about the network. Error 2147942405

CAUSE

Some versions of the Intel SNMP Agent (ILansnmp.dll) lock the Windows registry and other resources cannot access the registry. This may cause cluster functioning to fail.

Note ILansnmp.dll is not a Microsoft component.

When the ILansnmp.dll file causes this problem, the IP addresses of network adapters are unbound. This result in communication failure in cluster IP addresses.

RESOLUTION

To resolve this problem, obtain the latest version of the ILansnmp.dll from the provider.

MORE INFORMATION

For additional information about Microsoft SQL Server 2000 virtual server basic setup, maintenance and service pack installation, visit the following Microsoft Web site:
http://support.microsoft.com/servicedesks/webcasts/wcd061002/wcdblurb061002.asp (http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fservicedesks%2fwebcasts%2fwcd061002%2fwcdblurb061002.asp)
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
327518  (http://support.microsoft.com/kb/327518/ ) The Microsoft support policy for a SQL Server failover cluster

APPLIES TO
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft Windows 2000 Advanced Server
  • Microsoft SQL Server 2005 Developer Edition
  • Microsoft SQL Server 2005 Enterprise Edition
  • Microsoft SQL Server 2005 Express Edition
  • Microsoft SQL Server 2005 Standard Edition
Keywords: 
kbtshoot kberrmsg kbsql2005cluster kbclustering kbsnmpagent kbregistry kbnetworkcard kbip kb3rdparty kbprb KB811876
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