The Update option values operation failed error on vCenter 6.5

The Update option values operation failed error on vCenter 6.5

I’ve received that above said error message or warning in the vCenter 6.5 when I’m trying to configure the scratch volume for a ESXi host. The Update option values operation failed for the entity with the following error message – A specified parameter was not correct. Let me give you an insight what actually I’m … Read more

Network adaptor disappeared from a Windows 2012 virtual server

Network adapter disappeared from a Windows 2012 virtual server

One of the application team has reported that, Windows 2012 server was in hung state and unable to connect. Then, I’ve tried to connect Windows 2012 server via remote desktop and I was able to get in with my active directory credentials. Some time later, they asked me reboot the virtual server and I did … Read more

Cluster high availability error alarm VMware vCenter Server 6.5

Cluster high availability error alarm VMware vCenter Server 6.5

Cluster high availability error alarm VMware vCenter Server 6.5: In the VMware world, we keep receiving different types of vCenter server alarms to the configured email address in the vCenter alarms. Today I’ve received the below alarm to my email address – VMware vCenter – Alarm * Cluster high availability error] vSphere HA initiated a … Read more

IPv4 vmknic gateway configuration doesn`t match the specification

IPv4 vmknic gateway configuration doesn`t match the specification

IPv4 vmknic gateway configuration doesn`t match the specification – Host Profile not compliant error on the ESXi 6.5 hosts. In our environment we use host profiles and DV switches configured. And the vCenter Server version 6.5 u3 (Windows 2012 vCenter). When I’ve applied the host profile, all the settings have been applied, except IPv4 vmknic … Read more

elxnet_reset:3547: [vmnic0] f/w init failed, adapter in Error State

ESXi host network isolated with NIC card errors

One of the ESXi host has lost the ping response and the virtual servers which are there on the host, have lost the network. When I look into the vCenter logs, found that “vSphere HA detected that host” with an yellow colour warning also found red colour error “vSphere HA has detected the network isolation … Read more