The Network Bandwidth % Utilization and Network Interface - Bytes Total/Sec Metrics do not work for Windows 2008 Standard (non R2). These are both used in the Default Network Policy located under Home > Monitoring and Alerting > Monitor > Policies > Monitor Policies > Windows 2008 > Network.
There isn't a specific error the affected metrics simply do not show up in the Event Console or the Real Time Performance Viewer.
The root cause was due to a bug in the function that grabs the performance counter data for these metrics.
Our development team has released a point fix that resolves this issue. Please contact technical support for the fix.
This issue has only been reported in ITMS 7.5 up through HF 6.
Windows Server 2008 Standard (Non R2 versions only)