NSX Edge load balancer nodes not accessible
A while back I ran into an issue where NSX Edge load balancer nodes where not accessible. For this article I recreated a simulair setup in my lab, which I will first describe. After that I will explain what is going wrong and describe the solution…
Two vCPU NSX controller for lab environment
When installing NSX in a environment, you will at some point need to deploy NSX controllers. By default these controllers are equiped with four vCPU’s, which is fine for a production environment. But if you want to play around with NSX in a lab environment like I…
VMware NSX 6.2.3 – SSL VPN Behaviour Change
NSX 6.2.3 was released a few weeks ago and brought a bunch of new stuff and fixes. I came across an undocumented change not mentioned in the release notes, which caused me some head ache, this post describes that change. The NSX Edge Services Gateway…
Microsoft’s Convenience Update breaks VMware networking
Two days ago, Microsoft recently released a Convenience Update patch for Windows 7 and Windows Server 2008 R2 SP1. This update has incompatibility issues with virtual machines running on the VMware vSphere virtualization platform. This incompatibility is confined to one specific configuration scenario: It impacts…
Resetting the root & admin password of VMware Identity Manager
The VMware Identity Manager (previously known as Workspace Portal) is a virtual appliance with Linux on it. When you install it, you configure a root and admin password for access to the administration interface. You need this password for appliance maintenance, upgrades, etc. As with…
vSphere host maintenance with instant clones
With the release of VMware Horizon View 7 we now have the ability to use instant cloning for virtual desktops. I tried instant cloning in my lab environment and I must say that it works really well. There are great articles describing on how to create…
Ravello Systems: VMware NSX 6.2 Management Service Stuck in ‘Starting’
Ravello Systems offers ‘Smart Labs’ where you can run a multitude of applications in Amazon or Google Cloud, including nested ESXi Hypervisors. This opens up the possibility of replacing a home lab system, where you have noisy power guzzling servers set up at your home…
vCloud Director: Removing Network from a vApp without shutting it down
Caution: this is not supported by VMware. This is ‘this is possible’ post, not a standard procedure. Take care if you go forward. Within vCloud Director, you can dynamically add networks to vApps and virtual machines, just as within vSphere. Moving the network of a…
How to exchange VMs between VMware Workstation and Fusion
Occasionally I exchange VMs, this time with my brother, who uses VMware Workstation on Microsoft Windows 10. I on the other hand use VMware Fusion Pro on my Mac with El Capitan as operating system. First time I had to move an Android VM from…
vSphere 6 experiencing high packet loss
Since I have updated my lab environment to vSphere 6, I regularly get ‘Virtual machine is experiencing high number of received packets dropped‘ messages in vRealize Operations for all virtual machines in my environment. I canceled these alerts multiple times but the high packet loss errors always return….
No network connection after cloning Linux VM
While upgrading our VMGuru environment I ran into an issue with the network connectivity of a cloned Linux VM. Erik wrote about it earlier when he was restoring a VCSA from backup. I had a similar issue after cloning the VM. On of the first things I did was…
Downgrade the vRealize Automation license
After running a vRealize Automation Enterprise license for some time I tried to downgrade the license on the vRealize Automation appliance to the Advanced version. This resulted in the error message ‘Unable to downgrade the existing license edition‘. This can also happen when you try…
vRealize Automation: How to …
Since I started at VMware Benelux in January 2015 the learning curve has been a steep one. In my previous life I had been working with the products in the vRealize Suite. I’ve done multiple designs and real life implementations including vRealize Operations but there was…
Running high CPU load on your VMware cluster with Splunk – Leap Second Issue
On 30 June we experienced a ‘leap second’. This is a correctional measure for a time discrepancy. As IT guys, we don’t like time shifts. A lot of systems handle sudden time shifts poorly, even if it’s just for 1 second. If you use Splunk,…
VMware VSAN reusing SSD disks
Ealier this week I’ve been configuring a new VSAN cluster. The old configuration was using hardware that wasn’t complying with the VMware vSAN HCL. We ordered new raid controllers and HDD’s and reused the SSD disks, as those where compliant with the HCL. Adding and configuring…