VMWare Virtualization Technology – How To’s, guides and troubleshooting

How to update a Windows based VMWare Template

Issue: You need to install windows updates or make other changes to a Windows based VMWare Template. Solution: The following steps will convert the template back to a VM, allow you to apply any updates or changes and then sysprep the VMWare template and finally convert it back into a template. 1) Right click template, click convert to Virtual Machine 2) Power On the Template, and logon to it (open console) 3) Apply windows updates or other changes, reboot 4) Logon to template again and run Read more [...]

ESXi 5.5 Update 1

VMWare ESXi 5.5 Update 1 was released on March 11th, 2014 and is the first major update for ESXi 5.5. Important Notices Regarding ESXi 5.5 Update 1: Frequent NFS APDs after upgrading ESXi to 5.5 Update 1 Issue: When running ESXi 5.5 Update 1, the ESXi host frequently loses connectivity to NFS storage and APDs to NFS volumes are found.  Potential Symptoms: Intermittent APDs for NFS datastores are reported, with consequent potential blue screen errors for Windows virtual machine Read more [...]

Change controller to Paravirtual

Your virtual disks are currently using the LSI Logic controller and you would like to change to Paravirtual SCSI.  Note: the process is different for data disks and boot disks. Change Controller to Paravirtual on data (non-boot) disks: 1) Shutdown the VM 2) Survey where the disks are currently located: click to expand the VMWare hard disk settings and note the disk file location for each one.   3) Remove the hard disk(s) from the VM, leaving the Hard Disk 1 boot disk alone (be Read more [...]

How to Clone a VM using ESXi host terminal CLI

If you don't own the paid version of VMWare ESXi or have VCenter you can still create 'templates' and clone them when you need additional VM Guests.  The process has to be completed from the CLI which is less convenient than through the VCenter GUI. Note: I found many instruction sets which show copying the VMWare VMDK's using datastore browser and then renaming them to your new server name however that approach has several drawbacks. NOTE: If you are cloning a Windows Guest VM make sure you Read more [...]

Guest hangs at ‘Starting’ on VMWare BIOS splash screen

'Power on virtual machine' shows Completed, however the server never gets passed 'Starting' on the VMWare BIOS splash screen. Initial Troubleshooting Steps: 1) I tried powering off/on the guest to no avail 2) I tried restarting the ccagent process on the host but that did not help in my case.  However this may be worth trying in your case. a) Connect to the ESX hosts Service Console via Putty b) input the command to find the ccagent process: ps -ef | grep ccagent c) determine the PPID Read more [...]