As Duncan just reported the vSphere KB Articles have all gone public in preparation for vSphere going GA tonight. The VMware knowledgebase is always a source of great information and not just for solving problems and issues and there are a number of articles that you should check out before upgrading to vSphere. Here’s a few of the best out of the 75+ that have been published on vSphere so far. This will also be published on my vSphere Links page in their respective categories.
Fault Tolerance:
Processors and guest operating systems that support VMware Fault Tolerance
VMware Fault Tolerance migration transition states
Understanding VMware Fault Tolerance
General:
Comparison of product offerings for vSphere 4.0 and VMware Infrastructure 3.X
Configuring a Virtual Machine Communication Interface (VMCI) on a vSphere ESX host
Configuring disks to use VMware Paravirtual SCSI (PVSCSI) adapters
Licensing:
Licensing ESX 4.0, ESXi 4.0, and vCenter 4.0
Split and Combine license keys on vSphere
Enabling license downgrade by disabling features
Downgrading vSphere 4.0 License to ESX 3.5 version
Upgrade:
Upgrading to ESX 4.0 and vCenter 4.0 best practices
Upgrading an ESX 3.x virtual machine to ESX 4.0
Upgrading ESXi 3.5 hosts with OEM server vendor’s specific components to ESXi 4.0
How to create default alarms when upgrading to vSphere 4.0
When you use VMware vSphere to perform an ESX host upgrade, the upgrade might fail
Sometimes the upgrade from ESXi 3.5 to ESXi 4.0 fails when the host is trying to reboot
Performing an offline upgrade from ESX 3.x to ESX 4.0 on a local ESX host
vSphere Client:
vSphere Client installation might fail with Error 1603 if you do not have an active internet connection
vSphere Client Help is not accessible on systems using Internet Explorer Enhanced Security Configuration
vSphere Client might fail to connect to the vCenter Server
vCenter:
vCenter Required Ports
Creating a 32bit DSN on a 64bit Windows machine