Tag: VMware
Notes from the field: Hyper-V to VMware migrated VM’s cannot install VMware Tools
One of my last projects I needed to convert Hyper-V VM’s to VMware, this all went fine with the offline capability of vcenter converter and the migration succeeded. Only after trying to install the VMware tools this would hang on starting the VGauth services and several other dependencies. For reference the VM’s in question are…
Notes from the field: vCenter cannot validate SSO domain
Came across a peculiar issue when adding an second vCenter to the same SSO domain and enable ELM. The first deployment worked like a charm and the second errored out with the following error: It turns out there is a known bug when using uppercase FQDN in the configuration wizard, the solution is to put…
Notes from the field: UEM/vIDM integration caveats
Not too long ago I encountered some issues when configuring UEM and IDM integration. When providing the vIDM URL in UEM for configuring the integration it would error out with below error: After some troubleshooting it appeared that the access policies where not properly configured as in the last rule in the default access application…
Notes from the field: vIDM and o365 modern authentication delay
Just a quick win blog to mention and give a heads-up that when you are in the process of configuring vIDM and o365 you might encounter native clients prompting for authentication and a big ass delay when you flip over the authentication and the requested domain from managed to federated with vIDM. This might be…
Notes from the field: VMware vCenter /dev/mapper/core_vg-core full
Not too long ago I’ve encountered an vCenter instance blowing up the /dev/mapper/core_vg-core with gigabytes of java dump errors.. Just for reference the customers setup is an dual SDDC with respectively an vCenter at each site comprising of vCenter 6.5 U2 and embedded linked mode enabled. In troubleshooting mode I’ve encountered the following two articles:…
Notes from the field: VMware vCloud Usage Meter vROps cleanup not working
If you ever are in the proces of cleaning up your vRealize Operations Manager instances and are using vCloud Usage Meter as well you might find yourself in a situation that Usage meter keeps referencing an old node which is deleted. There is a nice explanatory blog available from VMware to resolve most part of…
Notes from the field: vCenter VCSA 6.5u2 SEAT cleanup
This is a quick blog to show how an SEAT database failure can be cleared after an sporadic growth and increase to the events part of the SEAT DB in VCSA. I’ll explain the issue origin in an upcoming blog, but in a nutshell the 20gb was reached within six days and crashed the vCenter…
Notes from the field: vSphere 6 NVIDIA vGPU not working
Quite recently I’ve deployed a POC setup for a customer who wanted to leverage NVIDIA vGPU for their XenDesktop environment. In regards to all the prerequisites being met the VM’s wouldn’t boot when trying to test this on the base build of vSphere 6(the latest version that could be downloaded from the site) and the…
Notes from the lab: vRealize Log Insight Cluster Upgrade 1-2-3
I must say I’m very impressed by the simpleness and stability at how VMware put the upgrade process in place for vRealize Log Insight. First a little bit of a background of my deployment: – Three node vRealize Log Insight 4.6.0 cluster – Integrated Load Balancer (ILB) configured – vSphere 6.7 as hypervisor platform I…
Notes from the field: Ghost NIC on VMware
Quite recently I’ve encountered an issue/question at a customer which complained that two virtual machines had ghost NIC’s attached. Well it doesn’t always have to be hard in our line of work ?, after a quick look it was clear that there were snapshots in place for those VM’s with deleted old NIC’s attached. Removal…