Today while teaching a VMware Fast Track course a student asked which guest operating systems that actually supported memory hotadd and cpu hotplug. This is a great question! Lets dive into some background information. The ability to use these two features depends on three things: Does your VMware vSphere license allow it? Does your […]
vMotion error The operation is not allowed in the current connection state of the host
Recently I had a customer call me because he was recieving error The operation is not allowed in the current connection state of the host when trying to vMotion. Here is a quick screenshot of the error: The operation is not allowed in the current connection state of the host Usually when customers see […]
VMware Update Manager: Vendors online depots available
A student last week asked me if it was possible to download patches automatically from hardware vendors instead of manually downloading the patches. This is indeed possible and below I will show you the steps for configuring it. Currently the vendors I am aware of providing online depots are: Brocade: http://www.brocade.com/downloads/documents/vibsdepot/CurrentRelease/BCD-depot-index.xml Dell: http://vmwaredepot.dell.com/index.xml HP: http://vibsdepot.hp.com/index.xml Step […]
Configure Custom Alarm for Virtual Machine disks consolidation is needed
Last week I delievered a VMware vSphere Fast Track course and the question came up if it was possible to configure an alarm for Virtual Machine disks consolidation is needed. The issue is if you look at the overview of VMs such as hosts and clusters view you will not be able to see if any […]
Warning! Do NOT upgrade to vCloud Director 5.5 if using SQL server 2005 SP4
VMware has issued an alert that vCloud Director users should NOT upgrade to 5.5, if they are using Microsoft SQL Server 2005 Service Pack 4 as their database. If you attempt to upgrade the process may fail and you will see an error similar to: Exception in thread “main” java.lang.IllegalStateException: java.sql.SQLException: Cannot assign a default […]
VMware ESXi Storage vMotion fails with error The method is disabled by ‘vm-3556’
This week a customer called me. He was unable to Storage vMotion a VM from one datastore to another in his VMware ESXi 5.1 environment. The error shown was: The method is disabled by ‘vm-3556’ My first suggestion was to perform a regular vMotion to a different host and then retry. Unfortunately this did not […]
VMware vSphere Web Client error The Requested resource () is not available
Today I was at a customer deploying a new setup using VMware vSphere ESXi 5.1 Update 1. Everything new! We decided to install all of the vCenter services such as Single Sign On, Inventory Service and Web client onto a new Windows Server 2012 VM. Everything went fine, until I attempted to connect to the […]
VMware vCenter Server error 26002. Setup failed to register VMware vCenter Server to VMware vCenter Inventory Service
Last week I had trouble upgrading a customers VMware vCenter server from 5.0.0 build 623860 to 5.1b. To be sure I had, of course, taken a snapshot of the VM before starting the upgrade, but I thought I would still see if I could fix it since some of my readers might have a physical vCenter […]
VMware vCenter Single Sign On install error 32010. Failed to create database users
Today I was helping a customer upgrade vCenter from 5.0.0 build 623373 to 5.1.0 build 947939. First step was to install the new VMware vCenter Single Sign On service. However during installation I was prompted with the following error: Error 32010. Failed to create database users. There can be several reasons for this failure. For more information, […]
Unable to login to VMware vCenter with domain accounts: A general system error occurred: Authorize Exception
Today a customer called me because they were unable to login to their VMware vCenter using domain accounts. They saw the following error message: A general system error occurred: Authorize Exception I asked if they had made any changes and they had created two new Windows Server 2012 domain controllers and given them the IP […]