1) Download the depot file; at the time of writing the latest update is as follows and can be found here. VMware-ESXi-5.1.0-799733-depot.zip File size:298M File type: zip Release Date:2012-09-10 Build Number:799733 2) Upload the file to your datastore, in this example the file was uploaded to  “myDatastore” 3) Enable SSH on your ESXi host and … Continue reading VMWare: Update Standalone ESXi 5.0 to 5.1 Using a Depot Zip File