VMware launched an Excel spreadsheet for calculating the size of the database and hard disk space for VMware Update Manager.

This calculator allows you to define:

• Number of hosts
• Number of virtual machines
• Number of windows distributions
• Different versions of VMware ESX Servers
• Many other caracteristics of your environment

In order to download the spreadsheet follow the link http://www.vmware.com/support/vi3/doc/vi3_vum_10_sizing_estimator.xls

VMware Update Manager Estimator