KBJust wanted to let you know about a new Knowledge Base article we published today, This one talks about an issue where System Center Operations Manager 2007 R2 agent computers that utilize NIC teaming may not be discovered and log the following errors:

Log Name:       Operations Manager
Source:            Health Service Script
Date:               <date>
Event ID:          4001
Task Category: None
Level:              Error
Keywords:       Classic
User:              N/A
Computer:      <computerName>
Description: Microsoft.Windows.Server.NetwokAdapter.BandwidthUsed.ModuleType.vbs : The class name 'Win32_PerfFormattedData_Tcpip_NetworkInterface Where Name ='VLAN100:HP Network Team _1'' did not return any valid instances.  Please check to see if this is a valid WMI class name.. Invalid class

=====

The process started at 09:44:43 failed to create System.PropertyBagData, no errors detected in the output. The process exited with 0
Command executed: "C:\Windows\system32\cscript.exe" /nologo "Microsoft.Windows.Server.NetwokAdapter.BandwidthUsed.ModuleType.vbs"
Working Directory: C:\Program Files\System Center Operations Manager 2007\Health Service State\Monitoring Host Temporary Files 23\\
One or more workflows were affected by this.
Workflow name: Microsoft.Windows.Server.2008.NetworkAdapter.PercentBandwidthUsedTotal.Collection
Instance name: Local Area Connection
Instance ID: {}

You can find the complete article and get all the details here:

KB2847767 - Operations Manager agents with teamed network adapters fail to be discovered and monitored (http://support.microsoft.com/kb/2847767)

J.C. Hornbeck | Knowledge Engineer | Microsoft GBS Management and Security Division

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