Product : Microsoft, HyperV/2012R2, Free Hyper-V Server with SC
Feature : VM Patching, Updates and Backup, Management
Content Owner:  Roman Macek
Summary
Limited (Update Manager)
Details
With vSphere 5 update manager discontinued patching of guest operating systems. It does however provide upgrades of VMware Tools, upgrades of the virtual machine hardware for virtual machines and upgrades of virtual appliances.