Troubleshooting the Network Health Dashboard

Use this information to troubleshoot the Network Health Dashboard.

Network Health Dashboard log files
Review the Network Health Dashboard log files to support troubleshooting activity.
Data sources for the Network Health Dashboard widgets
Use this information to understand from where the Network Health Dashboard widgets retrieve data. This information might be useful for troubleshooting data presentation issues in the Network Health Dashboard.
Investigating data display issues in the Network Health Dashboard
If any of the widgets in the Network Health Dashboard are not displaying data, either there is no data to display, or there is an underlying problem that needs to be resolved As an administrator, you can configure poll policies and poll definition so that users are able to display the data that they need to see in the Network Health Dashboard. You can also explore other potential underlying issues, such as problems with the underlying systems that process and store historical poll data.
Top Performers widget is unable to display values greater than 32 bit
The Top Performers widget is unable to display values greater than 32 bit. If no data is being displayed in the Top Performers widget for a selected metric, then this might be due to a number of factors. One possibility is that the value of data in that metric is greater than 32 bit.
Percentage Availability widget takes a long time to refresh
If the Percentage Availability widget is taking a long time to refresh then one possible solution is to increase the number of threads available for this widget. This solution is most suitable for customers with large networks.

Parent topic: Administering the Network Health Dashboard