Windows DUMP file provides information about the cause of the system crash. But generating a DUMP file on the ESXi system is a bit different. So, will look at the steps. We have divided the process into 2 main steps.
Step 01 – Create and download a VM snapshot
In the VMware environment, select the virtual machine that has issues.
Replicate the issue on the virtual machine.
Right-click the virtual machine and click Snapshots → Take snapshot.
Type the name, select the check box next to Snapshot the Virtual Machine’s memory and click OK.
Select the virtual machine and click Datastores and click the datastore name.
Select the virtual machine, select the .vmsn file (VMware Snapshot file), click Download and save the file locally.
Step 02 – Use the vmss2core tool to create a memory dump from the virtual machine snapshot
Select the check box next to I have read and agree to the Technical Preview License I also understand that Flings are experimental and should not be run on production systems. Select the file for your operating system from the drop-down menu (for example, if you want to run the tool on Windows, select vmss2core-sb-8456865.exe) and click Download.
Place the vmss2coretool and the VMware snapshot file into the same folder.
Run the vmss2core(vmss2core-sb-8456865.exe) in the command line with the following parameters.
Specify the guest operating system from which the snapshot was created.
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