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 »
Here is a list below of version and build number for VMware vCenter Server product. I have no credit over it, it has been taken from virten.net Web site. Name Version Release Build Installer Version vCenter Server 6.0.0 Update 2 6.0 U2 2016-03-15 3634793 3634788 VMware vCenter Server 6.0 Update 1b 6.0 U1b 2016-01-7 3339083 3343019… Read More »
VMware Converter can be awesome and a hassle at the same time. I have used it A LOT. I must say it is a great tool, but under some circumstances, even though you are converting a supported system which is the same as one you’ve done previously, it may fail (but the ones you did… Read More »
I have encountered the following issue lately trying to power on a virtual machine with a limited permission user using the vSphere Web Client : The “Power on virtual machine” operation failed for the entity with the following error message. Virtual machine cannot be found. This happened with a regular user with the appropriate role… Read More »
If you had installed your RHEL/CentOS 5 system using LSILogic Parallel controller, you may have noticed the horrible I/O performance… You unfortunately cannot just change the controller type and expect your VM to boot. There is a few easy steps to ensure that the OS can boot with the new controller. FIRST thing FIRST :… Read More »