I have recently been upgrading all our lab to vSphere 6.0 and have come across an interesting error everytime I login to the vSphere Web Client. Error 1063 vSphere Web Client The error is “An internal error has occured – Error #1063”. I actually migrated my previous version of vCenter 5.5 to vCenter 6.0 using the inbuilt upgrade. This actually deploys a new vCenter Server Appliance with version 6.0 and migrates all the information from the previous appliance, including all the plugins. I would receive this error everytime I tried to click the Actions menu on any object. Didn’t matter whether it was a host or a VM, this error always popped up. Clicking yes never solved it, I couldn’t do anything. Then I started thinking about the upgrade. I wonder if a plugin that was installed on the previous 5.5 version had been migrated across and was causing a […]