Packet loss with "Flexible" VMnic type

Ran into a packet loss issue today.  Normally I usually only use E1000's in production.  We had some Server 2003 VM's running with Flexible NICs.  Caused intermittent packet loss, once we changed them to VMXNet2 adapters, the connections were perfect.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1001805

vCPU Sizing Whitepaper

This article is nice because it details the performance impacts of having 2 vCPU's assigned to one VM.  If a VM has to vCPU's, it has to wait for 2 pCPU's to be available before processing a request. 

http://www.vkernel.com/files/docs/white-papers/vcpu-sizing-considerations.pdf

ESXi Driver Checking from the Command Line

Very useful KB article on driver checking from the command line in ESXi4.x/5.x

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1027206

Hiding the VMware Tools System Tray Icon

Useful for VDI sessions, I used HKLM instead of HKCU and it worked fine:

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020830