Category Archives: VMware
Deploy VCF 4.0.1 with BGP loopback addresses
For a customer project I needed to deploy VCF 4.0.1 with BGP loopback addresses on a Cisco Fabric (spine leaf setup). As you may already know VCF requires BGP configurations to configure BGP peerings in NSX-T. The VCF design we have is a little different from the blueprint (VVD 6.0.1). Instead of having the BGP…
Configure a NSX-T overlay network on a Windows 2016 bare metal server.
In this article, I will show you how to prepare your Windows 2016 bare metal server to be configured as an transport node in NSX-T and how to configure a NSX-T overlay segment on a Windows 2016 server bare metal server. By configuring your bare metal server as a transport node, you will be able…
Build your own VCF 4.0.1 test lab with VLC.
VCF Lab Constructor also known as VLC, is a tool that can automate the deployment of a nested VCF lab. VLC will deploy a VCF environment with minimal resources. A single physical server with 12 cores, 128GB RAM and 800GB SSD is needed to deploy a VCF lab. Using SAS disks instead of SSD disks…
What is an vExpert and how to become one?
vExpert, you might have seen it before on social media or on VMware communities but what is it? In this blog post, I will share my experience of becoming an vExpert, what the benefits are and most important part is how you can become an vExpert yourself. What is the vExpert program all about? The…
Unable to eject/cancel VMtools ISO in vCloud Director 9.7
During a maintenance on of the hosts I manage, I discovered that the host was unable to go into maintenance mode because of an mounted VMtools ISO. I was unable to easily unmount the VMtools ISO from the virtual machine. In this article, I will show you how to troubleshoot and eventually how to fix…
Unable to change VM config in vCloud Director 9.7 error: “class: java.lang.NullPointerException”
The following error message was shown in the vCloud director GUI after trying to modify the VM: “class: java.lang.NullPointerException”. The issue occurred on every VM configuration update such as: edit description, changing resources etc. Troubleshooting on vCD layer I tried to find some additional logs by logging into the vCD cells and searching for the…
No DNS resolution after successful deployment of vCAv 3.5.1 appliance.
For the preparation of a migration, I needed to deploy a vCAv 3.5.1 appliance on the source site. The migration was going to be from vCD 9.5 to vCD 9.7 platform. During the initial setup of the vCav appliance, I ran into an issue when configuring the lookup service. The error message I got was:…
Partially powered off state error caused by duplicate VM in vCloud Director 9.7
This week we experienced an issue with two virtual machines not showing the correct values in the vCloud Director view. Both virtual machines had 2 vCPU when we checked the virtual machine properties in vCD, but the values were totally off when we compared the values with the VM properties from the vCenter GUI. The…
Virtual machine is associated with a wrong resource pool in vCloud Director 9.7
Virtual machine is associated with a wrong resource pool was the warning i had on two virtual machines in vCD. Those 2 virtual machines were also disappeared from the resource pool view in the vCloud Director GUI. Because of that, I wasn’t able to vMotion those virtual machines to the new resource pool (cluster). In…
Detaching a resource pool from PvDC failed in vCloud Director 9.7
Detaching a resource pool failed in vCloud Director with the following error message: [ID] ValidationException Delete_Hub_Containing_VMS . This week i needed to troubleshoot a task that failed in vCloud Director that occurred during the detaching of an resource pool in a provider vDC. The following error was reported in the vCloud Director GUI as shown…