You are correct it doesn't work. VMware changed the installer for 4.5. You need to include a /norestart
VMware-Horizon-Client-4.5.0-5650915.exe /silent /norestart ADDLOCAL=ALL LOGINASCURRENTUSER_DISPLAY=1 LOGINASCURRENTUSER_DEFAULT=1 DESKTOP_SHORTCUT=1 STARTMENU_SHORTCUT=1 VDM_SERVER=**************
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They changed a few things, starts on page 27: https://www.vmware.com/pdf/horizon-view/horizon-client-windows-45-document.pdf
Example: VMware-Horizon-Client-4.5.0-5650915.exe /silent /norestart VDM_SERVER="view.server.url"
They also removed the ability to control the desktop icon which is sad.
We discovered that even when specifying the correct "/norestart" switch there are some mandatory prerequisites that will still unexpectedly restart the system (This also happens with the Horizon Agent). We've only tested with Horizon Agent 7.1 and Horizon Client 4.5 but we found that if the following prerequisites were missing it will install them and restart the system. You then have to run the silent install again. We've seen multiple restarts depending on how many of the prerequisites are missing from the system.
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