Capability	ESX 4.0	ESX 4.1	ESXi 4.0	ESXi 4.1
Service Console	Present	Present	Removed	Removed
Admin/config CLIs	COS + vCLI	COS + vCLI	PowerCLI + vCLI	PowerCLI + vCLI
Advanced Troubleshooting	COS	COS	Tech Support Mode	Tech Support Mode
Scripted Installation	Supported	Supported	Not Supported	Supported
Boot from SAN	Supported	Supported	Not Supported	Supported
SNMP	Supported	Supported	Supported (limited)	Supported (limited)
Active Directory	3rd party in COS	Integrated	Not Supported	Integrated
HW Monitoring	3rd party agents in COS	3rd party agents in COS	CIM providers	CIM providers
Web Access	Supported	Not Supported	Not Supported	Not Supported
Serial Port Connectivity	Supported	Supported	Not Supported	Not Supported
Jumbo Frames	Supported	Supported	Supported	Supported