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PCoIP Ultra

The Standard Agent for Windows provides support for PCoIP Ultra, the latest protocol enhancements from Teradici. PCoIP Ultra is optimized for truly lossless support with bit-exact color accuracy and preservation of content detail at the highest frame rates.

PCoIP Ultra protocol enhancements propels our industry-recognized performance into the future of remote computing, with faster, more interactive experience for users of remote workstations working with high-resolution content.

PCoIP Ultra is disabled by default. You must enable it manually.

PCoIP Ultra is appropriate for specific use cases

Please review the recommended use cases in the next section before enabling. Most users will experience the best possible performance using the default PCoIP protocol.

PCoIP Ultra Enhancements

In version 19.05, PCoIP Ultra is appropriate for the following use case:

  • Users requiring CPU-optimized delivery of 4K UHD, high-framerate video content.

For all other use cases, Teradici recommends that you leave PCoIP Ultra disabled and use the default PCoIP Protocol.

PCoIP Ultra Technology Preview

PCoIP Ultra is an evolving technology, and new capabilities and enhancements are introduced frequently.

If you would like to test unreleased versions of PCoIP Ultra, we invite you to join the PCoIP Ultra Technology Preview program. Technology Preview users receive pre-release versions of Teradici software for use in non-production environments, and provide feedback to our engineering teams.

To learn more and to join the technology preview, visit the Teradici Support site.


To take advantage of PCoIP Ultra, you need to meet these requirements:

  • A PCoIP agent (any type) 19.05 or later
  • A PCoIP Software Client for macOS or PCoIP Software Client for Linux, 19.05 or later

    PCoIP Software Client for Windows users

    Support for PCoIP Ultra on the PCoIP Software Client for Windows is provided via the PCoIP Ultra Technology Preview as described above.

  • The CPUs on both the agent and the client machines must support the AVX2 instruction set

Enabling PCoIP Ultra

PCoIP Ultra is enabled by setting a registry key value.

To enable PCoIP Ultra:

  1. Open the registry editor on the agent machine:

    1. Press + r to open the run dialog
    2. type regedit and press Enter.
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Teradici\PCoIP\pcoip_admin_defaults.

  3. Set pcoip.enable_pcoip_video_4 to dword:00000001.

  4. Click OK.

Client adjustments for additional performance gain

For improved performance when using PCoIP Ultra, disable Enhanced A/V Sync on your PCoIP software client.

  • Windows clients: Open C:\%appdata%\Teradici\Teradici PCoIP Client.ini in an editor and add the following line:

  • macOS clients: From a command prompt, enter the following command:

    defaults write "com.teradici.Teradici PCoIP Client" enable_enhanced_avsync 0
  • Linux clients: open ~/.config/Teradici/Teradici PCoIP Client.ini in an editor and add the following line: