VMware vSphere 5.1 Upgrade Guide

VMware vSphere 5.1 is now available for download. This vSphere Upgrade guide describes how to upgrade VMware vSphere™ to version 5.1. To learn how to simplify and automate your datacenter upgrade, see the vSphere Update Manager Installation and Administration Guide. If you want to move to vSphere 5.1 by performing fresh installations that do not… Continue reading VMware vSphere 5.1 Upgrade Guide

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Taking Ownership of VM fails, VM appears to be in use, stuck in state error

While working in Vmware workstation, I lost connectivity to a LUN where I’m hosting virtual machines for workstation. As it turns out, the VMs were powered on and after restoring the connection, I could not get into the VM (windows 7) or power it off/restart it. When trying to open the VM in workstation, it… Continue reading Taking Ownership of VM fails, VM appears to be in use, stuck in state error

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How to fix “System logging is not configured on host” warning message

When deploying new standalone host within vCenter or in a cluster, VMware vSphere gives you a warning message about system logging not configured on the host. The syslog service (vmsyslogd) logs messages from the host and its components to log files on a syslog server (most likely vCenter server in this case). In this how… Continue reading How to fix “System logging is not configured on host” warning message

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Turn off Network redundancy message when configuring VMware HA/DRS

In my lab, when configuring VMware vSphere 5 HA/DRS in vCenter Server, you see the message under the “summary” tab in vSphere Client: Configuration issues: This host currently has no management network redundancy This message appears if VMKernel port does not have network redundancy configured at all or not configured properly. Normally, in production environment,… Continue reading Turn off Network redundancy message when configuring VMware HA/DRS

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Invalid configuration for device 4 Error When Cloning or vMotion a Virtual Machine

When performing vMotion on a Virtual Machine (VM) or a template on vDS (virtual distributed switch) configuration, you may come across this error: Invalid configuration for Device ‘4’ I experienced this error in my lab over the weekend and removing the VM from the vDS portgroup fixed the issue. According to VMware, the cause of… Continue reading Invalid configuration for device 4 Error When Cloning or vMotion a Virtual Machine

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