Horizon 7.10: Enabling dynamic codec switching

VMware Horizon 7.10 – released on September 17, 2019 – ships with a new dynamic encoder. Depending on what content you’re watching to in your VDI, it will seamless switch to the best suiting codec for optimal performance/quality-balance. While H.264 is ideal for rapidly changing contents like videos, JPG/PNG offers better quality for more static content like Office applications. Overall: Neat stuff!

As of this release the “switch”-Codec is disabled by default and must be explicitly enabled via registry. To enable the new feature, you need to set this registry key on your VDI machine:

Key: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\VMware, Inc.\VMware Blast\Config\EncoderSwitchEnabled
Type: REG_SZ
Value: 1

When you have created the registry key, re-initiate the connection to your VDI machine. Then check with the “VMware Horizon Performance Tracker”-tool if you can see “Encoder Name” is set to “switch”. Like in the screenshot of my HomeLab here:

If you would like to get more details about the 7.10 release, you can get the release notes here or a blog article by VMware here.

Author: Patrik Kernstock

May I introduce my self? I am Patrik Kernstock, 23 years old, perfectionist, born in Austria, living in Ireland, Cork. Me explained in short: Tech- and security enthusiast, series junky and gaming addicted. Basically my interests belong to many different things in the IT-world, but specially in Ubuntu/Debian, nginx, MariaDB, Docker and many software solutions by Microsoft, Veeam and VMware.

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