Symptoms
you may experience video and audio issues when using larger resolutions in nested agents. This issue occurs when the camera resolution is set much larger in the inner agent, such as 2560*1440, 3840*2140, 4096*2160, RTAV Audio and Video may not work in this nested scenario,
Cause
The cause of this problem is that the default value of NestedIPCMessageSize is set to a small size to reduce memory usage.
Resolution
To use larger resolutions in nested agents, you need to enlarge the buffer size for the First-Hop Remote desktop client 2.Follow these steps to do so after a registry backup as per OS vendor best practices.1. Add a registry key on your inner client/outer agent under:
Reg Key Location: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\VMware, Inc.\VMware VDM\RTAV.
Reg Key Name: NestedIPCMessageSize
Reg Key Type: DWORD
Example Value:500000.
2. Log off all sessions and then launch the session again.
Related Information
VMware Horizon Guidelines for Nested Mode in Horizon 8 (80509)
