Encountering the following error message trying to increase space on a vDisk for a guest machine on VMware ESXi? Failed to reconfigure virtual machine VM_Name. Invalid operation for device ‘X’. This is most likely because you have one or more snapshot(s) present. You need first to delete/consolidate all snapshot before increasing the size of a… Read More »
I was a bit stunned when I attempt to deploy the vSphere Replication Appliance on a new v6.7 cluster. The Next button on the very first page where you select the template files just never turned blue (it always stayed grey) after selecting the files, just like if I did not selected all the files… Read More »
This issue appear to be banal, but actually consumed precious (lost) time of my day deploying a vCenter Server Appliance on an external Platform Service controller, version 6.5. At the “Install – Stage 2: Set Up vCenter Server Appliance”, you are asked for Single Sign-On infos of the PSC appliance. Clicking next, you may encounter… Read More »
VMware vCenter is now shifting toward the all in one appliance running Photon OS, a Linux container optimized operating system by VMware. Whatever you have lost your password or the deployment failed and the supplied password was not applied, you will need to reset it. To do so, simply the following procedure : 1. On… Read More »
I recently encountered the following message trying to copy a ISO file located on a datastore : Expected put message. Got: ERROR Unfortunately, this message isn’t telling us much. However by deduction, this error is caused by some lock on the file because already in use in some way. Make sure that no virtual machine… Read More »
Upgrading from vCenter 5.5 to 6.0? Then you might have run into the following issue during the setup : The range of ephemeral TCP ports on this system is 1025 to 65534. This range of ports is too large and the system must be reconfigured to use a smaller ephemeral port range before the install can… Read More »
If the error message below show up while you are trying to modify the virtual hardware of a VM, this mean that the host that you are editing the VM from is linked to a vCenter server. Reconfigure virtual machine <VM_Name> Access to resource settings on the host is restricted to the server that is… Read More »
If you are running vSphere vCenter, you might have encountered the following error trying to modify virtual hardware (vDisk) on a VM directly from a host instead of doing it through vCenter : Access to resource settings on the host is restricted to the server which is managing it This behaviour is actually expected, some… Read More »
Having the following error trying to convert a live CentOS/RHEL Linux system with VMware Converter? FAILED: A general system error occurred: Network error. Host x.x.x.x key can’t be retrieved. (return code 2) In my case, this happened while converting a RHEL 5.11 server with VMware Converter 6.1.1. If you went through the following : – SSH… Read More »
You will find below some basic and useful commands to operate a ESXi hypervisor from the command line. Put the host in maintenance mode (or leave maintenance mode) :
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esxcli --server localhost system maintenancemode set --enable <true | false> |
List all VMs registered on the host :
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vim-cmd vmsvc/getallvms |
Verify the power state of a specific VM :
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vim-cmd vmsvc/power.getstate <vmid> |
Power on a specific VM :… Read More »