In a cluster environment, network adapters may disappear
from the following locations:
- Device Manager.
- The Local Area Connection Properties
- 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
- The Network Connection icon disappears
from the notification area and from My Network
- The following error messages may be logged in the Event Viewer:
Note The following error message is logged when you try to bring a Clustered Internet Protocol (IP) Address online:
Event ID: 1045
Description: Cluster IP Address resource
xxx.xxx.xxx.xxx could not create the required TCP/IP
Event ID: 1095
Description: Microsoft Cluster Server failed to obtain information about the network. Error 2147942405
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.
ILansnmp.dll file causes this problem, the IP addresses of network adapters are
unbound. This result in communication failure in cluster IP
To resolve this problem, obtain the latest version of the
ILansnmp.dll from the provider.
For additional information about Microsoft SQL Server 2000
virtual server basic setup, maintenance and service pack installation, visit
the following Microsoft Web site:
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
The Microsoft support policy for a SQL Server failover cluster