No diagnostic information is collected after an ESXi host fails with a purple diagnostic screen

Products

• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

• After an ESXi host fails with a purple diagnostic screen, no diagnostic information is collected.
• The ESXi host reports the warning: No coredump target has been configured. Host core dumps cannot be saved.

Environment

VMware vSphere ESXi 6.x

VMware vSphere ESXi 7.x

VMware vSphere ESXi 8.x

Cause

This issue occurs when the core dump target is not configured and the VMkernel host core dumps cannot be saved.

Resolution

To resolve this issue, configure a coredump location for the ESXi host. For more information, see Configuring a diagnostic coredump partition on an ESXi host.

 

Note: Software iSCSI is not a supported connection type.