Vmware - Vcenter 5.X/6.X Antivirus exclusions

VMware vCenter Server 4.x and above is not able to send an email after an alarm has been triggered (2021458)

Considerations for installing anti-virus software on VMware vCenter Server (2062805)

Summarizing here they are exclusions on Windows 200X/2012 Server vCenter server:


And process vpxd.exe if it stops to send emails.