There are times where a virtual machine migration option might be greyed out due to several reasons, including vMotion License or backup tasks that have just recently completed but the relatives entries have not yet been removed from vCenter’s database tables. Fortunately, VMWARE has provided administrators a manual way to remove such entries in order... » read more
There is no objection that VMware tools are an essential module -a suite of utilities that enhances the performance of the virtual machines guest operating system and improves management of the virtual machine. The frustration comes when the deployment or update of the tools goes bad and you end up with the following condition (fits... » read more
During a DR Scenario executed for a client, we encountered a rather classical error, several dismounted datastores that couldn’t be removed from vCenter, because the Storage team was eager to un-present them, without the Systems team to properly dismount them first. Being unable to remove or dismount the datastores, or them, not able to be... » read more
If you are using Lenovo servers for your VMWARE infrastructure, you should consider following the below steps in BIOS: a) System Settings – Devices and I/O Ports – PCI 64-BitResourceAllocation set to Disable b) System Settings – Devices and I/O Ports -MMConfigBase set to 3GB c) System Settings – Processors – Processors.C-States set to Disable... » read more
Recently, we had to deal with an issue where several esxi hosts within a vCluster appeared to have non-identical datastores presented among them. First, we had to create an inventory of which datastores should be presented to this group of hosts and distinguish which of the hosts were unable to connect to them. So, in... » read more