Diagnostic flowcharts
Diagnostic steps
To effectively troubleshoot an issue, Hewlett Packard Enterprise recommends that you start with Initial
diagnosis, and follow the appropriate diagnostic path.
If the other flowcharts do not provide a troubleshooting solution, follow the diagnostic steps in the General
diagnosis flowchart. The General diagnosis flowchart is a generic troubleshooting process to be used
when the issue is not server-specific or is not easily categorized into the other flowcharts.
More information
Initial diagnosis on page 36
General diagnosis flowchart on page 69
Gather important information before you begin
Before you begin troubleshooting the issue, gather the following information for use during
troubleshooting and for use if the issue requires contacting Hewlett Packard Enterprise support:
• Active Health System log
• Symptom information
• IML
• POST error messages
• OA SHOW ALL report (for HPE ProLiant BL Server Blades only)
• Other
More information
Active Health System Viewer on page 138
Using the OA CLI on page 34
Collecting symptom information on page 15
Integrated Management Log on page 158
Troubleshooting resources on page 166
Reports and Logs overview on page 152
Troubleshooting flowcharts
Using the Diagnostic flowcharts
Some information provided in the flowcharts can be further explained in conjunction with other sources of
information provided on the Hewlett Packard Enterprise website and in other sections of this document.
To locate the appropriate information, see the references following the flowchart. Each reference
corresponds to the underlined text in the flowchart.
Initial diagnosis
This section helps you decide which flowchart can help you with your issue.
36
Diagnostic flowcharts