vCenter GUI ‘error’ – “no healthy upstream”, vCenter server (vmware-vpxd) service would not start!
Reading Time: 2 minutes vCenter GUI shows an error – “No healthy upstream”. Trying to start “vCenter Server (vmware-vpxd) Service” shows – “An error occurred while starting service ‘vpxd’”. Trying to access vCenter login page would show – “ An error occurred while sending an authentication request to the …Read More
PCI Passthrough – “Module ‘DevicePowerOn’ power on failed….Device x:y.z is already in use”
Reading Time: 2 minutes A Virtual Machine running on ESXi Host would not power on and gets stuck at 88% until it errors with the message “Module ‘DevicePowerOn’ power on failed. Failed to start the virtual machine. Device x:y.z is already in use”. This is a quick blog to …Read More
Migrate ESXi from vSS to vDS v7.0 – Fails: ThrowableProxy.cause
Reading Time: 2 minutes Unable to Migrate ESXi Host(s) from vSphere Standard Switch (vSS) to vSphere Distributed Switch (vDS). Environment – ESXi v7.0, vCenter v7.0, vDS v7.0. ESXi Host(s) either loose connectivity or the network changes are rolled back when trying to migrate from vSS to vDS. The vSS …Read More
NUMA | vNUMA | Should we consider “Cores per socket” VM configuration in vSphere?
Reading Time: 6 minutes This blog is a consolidation (one reference point) to understand NUMA, vNUMA, “why it is important in the world of hypervisors?”, changes in vNUMA from vSphere v6.5 onwards, advance configuration overrides, rule of thumb, recommendations on “Cores per Socket” VM configuration for vSphere v6.7 and …Read More
Passthrough enabled PCI Graphic Card, reports problems (Code 43) in “Windows OS” guest VM
Reading Time: 2 minutes As the title states, this blog is about the passthrough enabled PCI Graphic Card, which reports problems inside a “Windows OS” guest Virtual Machine. Use case: The PCI device, in my case is a “NVIDIA GTX 1080 TI” graphic card. Hypervisor: ESXi 6.7 U2 Guest …Read More
PCI Passthrough – “Module ‘DevicePowerOn’ power on failed”
Reading Time: 2 minutes Slightly deviating from the NSX focus, thought I should share this resolve, to help the wider community. Use case: The PCI device in my case is a NVIDIA GTX 1080 TI graphic card. ESXi 6.7 U2 After, you configure PCI Device passthrough on the ESXi …Read More
Update vCenter v6.5 U1 to v6.5 U2 via VAMI – EULA “Accept” button greyed out
Reading Time: 2 minutes In my previous blog post here, I shared one of the challenges to update vCenter v6.5 to v6.5 U2 in order to prepare the environment for NSX-T v2.4. To know more about the preparation follow the link below:Preparing the vSphere Infrastructure for NSX-T v2.4 Install/Upgrade …Read More
Unable to update vCenter Server Appliance from 6.5 to 6.5U2 via VAMI
Reading Time: 4 minutes It has been a while, vCenter 6.7 has been released and is what I have been using “primarily” for my home lab along with other versions of compatible VMware products. With the release of NSX-T v2.4 and its specific version interoperability, brought my attention to …Read More