Category Archive: vCenter Server

Jun 29 2015

Upgrade to vSphere ESXi 6.0 via Nutanix PRISM

So one of the cool things with the Nutanix PRISM interface is that more and more software components can be managed from this single interface. I created a post a while back where i showed how we can easily upgrade the Nutanix Operating System and you can fint it here. This blog will be about …

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Jun 23 2015

Can’t connect to vCenter Server – connection timeout

So i few days back i ran into a problem while connecting to vCenter Server version 5.5 U2d i have never seen before. Neither the vSphere Web Client or the vSphere Client managed to connect to the vCenter Server. I just received connection timeout messages. I did actually try to login, using the vSphere Client, from the …

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Mar 24 2015

Storage vMotion fails with error Already disconnected

This blog post applies to vCenter Server version 5.5. U2d and ESXi server version 5.5 U2a. A few days back i got involved in a virtual machine migration (VM) issue. The VMs were suppose to be migrated from one vSphere cluster to another without any chance of mounting one of the vSphere clusters datastore(s) to the other …

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Mar 03 2015

VMware vSphere Update Manager service fails

So a few days back i had some problem with the VMware Windows based vSphere Update Manager (VUM) Server that didn’t start after rebooting the virtual machine (VM) where the service runs. All other VMware related services running on the VM started without any problem. vCenter Server (and VUM) version running was 5.5.U1b was running …

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Feb 04 2015

vSphere 6.0 blog – vCenter Server Appliance (VCSA)

As many of you know i have been using the vCenter Server Appliance (VCSA) in my home lab for years now and in some customer (both production & test) environments as well. It doesn’t require a Windows installation since it is just a virtual appliance (VA) and deployed as a ova or ovf. However, the deployment …

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Jan 28 2015

VMware vCenter Server 5.5 Update 2 d

So yesterday, 2015-01-27, VMware released vCenter Server U2d. Quite a lot of minor versions being released for this version but the latest one was actually U2b and not U2c. The latest release now includes the following components: vCenter Server 5.5 Update 2d | 27 JAN 2015 | Build 2442329 vCenter Server 5.5 Update 2d Installation …

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Jan 20 2015

OVF Deployment failed in vSphere Web Client

So a few days back while preparing for this weeks job i failed to deploy a OVF in my vSphere environment. I have had problems in the past with, back in the vSphere 5.1 days but haven’t seen it since. The error i received was: I was running the VMware vCenter Server Appliance (vCSA) version …

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Jan 06 2015

Update vCenter Server Appliance without internet connection

Last week i published a blog post where i outlined how to install an Apache web server on a CentOS virtual machine (VM). The web server was required to install, update and upgrade a few other applications and one of them was the vCenter Server Appliance (vCSA) from version 5.5.0 Update 1c to the latest available version 5.5.0 …

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Nov 18 2014

Set vCenter Server Annotations via vCloud Automation Center deployment

How can i update the virtual machine (VM) Annotations field in vCenter Server when requesting a VM via vCloud Automation Center (vCAC), soon to be renamed to vRealize Automation (vRA)? I have had this question a few times the last couple of weeks. This blog post will describe how you can solve this. The below figures shows …

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Nov 13 2014

Increase vCenter Server Appliance database disk

A few days ago my co-worker Phil Liou had an incident where the vCenter Server Appliance (VCSA) 5.5 ran out of disk space for the vCenter Server Database. The default VCSA disk layout for the second disk /dev/sdb used for the VCSA database looks like: 20 GB Log 20 GB core 60 GB db We …

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Sep 09 2014

New VMware releases 2014-09-09

Today, 2014-09-09, VMware released new versions of many products included in vCloud Suite: VMware ESXi 5.5.0 Update 2 – release notes here VMware vCenter Server 5.5 Update 2 – release notes here VMware vSphere Replication 5.8 – release notes here VMware vSphere Data Protection 5.8 – release notes here VMware vCenter Orchestrator Appliance 5.5.2 – release notes here VMware vCloud …

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Jul 15 2014

ESXi hosts disconnected in vCenter Server

While upgrading a VMware vCenter Server to the latest release, 5.5 Update 1b which can be downloaded here, i ran into two issues while trying to connect the ESXi hosts when the upgrade was completed. The ESXi hosts were all disconnected after the vCenter Server upgrade. The solution/s to my problem/s are documented in different VMware knowledge …

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Jun 13 2014

VMware vCenter Server 5.5 Update 1b and vCloud Director 5.5.1.2 released

VMware released vCenter Server 5.5 Update 1b yesterday, 2014-06-12, and the main resolved issue i can see a lot of customers will benefit from is that the “OpenSSL libraries have been updated to versions openssl-0.9.8za, openssl-1.0.0m, and openssl-1.0.1h to address the CVE-2014-0224” The release notes can be found here and you can download the software here. VMware vCloud Director version …

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May 14 2014

Windows Server 2012 R2 preparation before vCenter Server 5.5 installation

This is a blog post dedicated to some of the steps you need to complete before installing vCenter Server 5.5 U1 on a Windows Server 2012 R2 machine. Since i have written one or more of the below described actions several times in emails to customers i thought it was a good idea to create …

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Apr 15 2014

vCenter Server 5.5 won’t start

Last week one of my customers vCenter Server 5.5 crashed because the ESXi host where it was running crashed. Unfortunately the vCenter Server, running on Microsoft Windows Server 2012 R2, did not start when the virtual machine (VM) was brought up on another ESXi host by vSphere HA. This was a fresh installation of vCenter …

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