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 …
vSphere ESXi 5.5U1 and NFS All Path Down patch
As you might know there has been a known issue with vSphere ESXi 5.5U1 where the ESXi host intermittently can lose NFS connectivity and an All Paths Down (APD) is observed. This issue could result in: Blue screen in Windows based virtual machines Read only file systems for Linux based virtual machines. The patch also fixes the …
vSphere VM vCPU to ESXi host pCPU core allocation
There has been quite a lot of discussion regarding resource utilization and resource allocation in vSphere environments lately. There are a lot of tools around doing analysis (some better than others) of your environment and gives suggestions if you need to e.g.: Add more resources (CPU, RAM, Disk, Network) to your vSphere cluster. Down size …
VMware ESX 4.x & VMware ESXi 4.x End of Life
It has now (2014-05-21) been 5 years since the VMware hypervisor release 4.x was released. For those of you still running VMware ESX 4.x and/or VMware ESXi 4.x should consider to perform an upgrade or a clean installation since the product actually reached end of life (EOL) 2014-05-21. R.I.P VMware vSphere 4 – Cloud Operating …
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 …
Exciting times ahead – career move
Since 1999 i have been employed by either a service provider or a consulting firm. Now i have decided to take on a new challenge and will be joining Nutanix starting on Monday (12:th of May 2014). I must admit i’m really excited joining a software company and a company still considered a start-up by some. Nutanix …
vCloud Director SSL fingerprint mismatch detected and wildcard certificate configuration
During a vCloud Director (vCD) version 5.5 implementation the other week we started out with using self signed certificates for the vCD cells and a company external (purchased) wildcard certificate for the load balancer facing the internet. I have used this setup (not wildcard certificates) quite a few times for e.g. vCD version 1.5 & …
ESXi 5.1 U1 Purple Screen of Death
A few days ago i was contacted by a customer who was running vSphere 5.1 U1 which is about one year old. For various reasons they have not yet upgraded to a later version of vSphere 5.1 or to vSphere 5.5. However, there has been quite some time since i a have seen a purple screen …
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 …
vCloud Automation Center Reservation Configuration Issue
Whenever possible i configure a vCloud Automation Center 6.0.1 (vCAC) Reservation to use a vSphere Datastore Cluster. You configure the vCAC Reservations in the vCAC web interface under Home -> Infrastructure -> Reservations -> Reservations: However, the other day i couldn’t select, mark the check box and perform my configuration, the vSphere Datastore Cluster DSC-01 when …
April 2014 VCDX56 sponsor blog by Veeam
As you might know i’ll let my blog sponsors publish one blog post about a specific IT related problem they can solve with their product/products or a specific use case. Veeam has decided to do something different since they will not talk about a specific product or a use case. They decided to give back to the …














