Use the esxcli command to verify whether a diagnostic partition is set.

In the procedure, --server=server_name specifies the target server. The specified target server prompts you for a user name and password. Other connection options, such as a configuration file or session file, are supported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.

Install vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started with vSphere Command-Line Interfaces. For troubleshooting , run esxcli commands in the ESXi Shell.

List partitions to verify that a diagnostic partition is set.

esxcli --server=server_name system coredump partition list

If a diagnostic partition is set, the command displays information about it. Otherwise, the command shows that no partition is activated and configured.