Edit: You said PCoIP and I read Blast. I would still advise upgrading and considering switching to UAG with Blast but try the following. Download the PCoIP Session Statistics Viewer from Teradici (https://help.teradici.com/s/article/1032​) . It will help you identify FPS, packet loss, latency, bandwidth utilization and several other metrics from the Horizon Agents perspective. You can then use the Horizon Agent GPO to disable build to lossless, reduce the image quality, set a limit on FPS and minimum/maximum bandwidth utilization. You will need to adjust these and gather user feedback to determine the balance between an acceptable user experience and bandwidth utilization.

What's the latency like between the two sites and is any packet loss present? You would benefit from upgrading Unified Access Gateways (if used), Horizon, Horizon Agents and the Horizon Clients. VMware introduced improvements in Blast where it can switch between TCP/UDP and adjust the image quality dynamically based on the connection quality.

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