The VMware View Agent Configuration ADMX template file (vdm_agent.admx) contains policy settings related to the VMware Virtualization Pack for Skype for Business.

These settings are in the Group Policy Management Editor in Computer Configuration > Administrative Templates > VMware View Agent Configuration > VMware Virtualization Pack for Skype for Business folder.

Table 1. Virtualization Pack for Skype for Business Policy Settings
Setting Description
Disable extended filter for acoustic echo cancellation in VMware Virtualization Pack for Skype for Business Enabled by default, the extended filter for acoustic echo cancellation provides better echo and feedback cancellation and is particularly effective in scenarios when Horizon Client system's microphone and speaker are close in proximity to each other. Enable this policy if you do not want VMware Virtualization Pack for Skype for Business to use this filter.
EnableDetectProxySettings Enable this policy to reduce delays when the Horizon Client system is required to use a proxy server. When enabled, Virtualization Pack for Skype for Business checks for proxy settings on the Horizon Client system, and uses those settings for media traffic. If proxy settings are not present on the Horizon Client system, Virtualization Pack for Skype for Business uses direct connection.
Force Skype for Business in non-optimized mode You can force Skype for Business to run in the non-optimized mode for Horizon Client connections by setting the name of environment variable that will be present at connection time on the machine where Horizon Agent is installed. If the variable name is set, Virtualization Pack for Skype for Business reverts to fallback mode.

For example, if the environment variable ViewClient_F5_APM is set on the Remote Desktop Agent machine when the Horizon Client machine connects from outside the network using F5 load balancer, and you want to force non-optimized mode, set this value to ViewClient_F5_APM. This policy is not configured by default.

Show Icon Displays the icon for Virtualization Pack for Skype for Business. This policy is enabled by default. The icon does not appear if the Show Icon policy for Virtualization Pack for Skype for Business is disabled. When it is disabled, you cannot view the call statistics or messages.
Show Messages Displays messages for Virtualization Pack for Skype for Business. This policy is enabled by default. Messages do not appear if the Show Icon or Show Messages policies for Virtualization Pack for Skype for Business are disabled.
Suppress minor version mismatch warning The notification area displays a warning if the Virtualization Pack for Skype for Business does not have the same minor API version on the Horizon Client system and on the Horizon desktop. When this policy is enabled, this warning will be suppressed. Note that when there is a minor API version mismatch, Skype for Business calls will be optimized, but the Virtualization Pack might not have the latest functionality.