Adding/Removing Unified Messaging Language Packs: Exsetup /AddUmLanguagePack: [/SourceDir:] Exsetup /RemoveUmLanguagePack: --Add/Remove UM Language Pack Required Parameters-- /AddUmLanguagePack - Adds the language packs for the specified cultures. /RemoveUmLanguagePack - Removes the installed lanugage packs. --Add UM Language Pack Optional Parameter-- [/SourceDir,/s] - Location for the unified messaging language pack for the cultures specified. Valid with /addumlanguagepack parameter only. [/UpdatesDir, /u] - Updates from the directory specified will be installed during setup. Usage Examples: Exsetup /AddUmLanguagePack:de-DE /s:d:\Downloads\UmLanguagePacks Exsetup /AddUmLanguagePack:de-DE,fr-FR,ja-JP /s:\\myshare\langpacks Exsetup /RemoveUmLanguagePack:de-DE,fr-FR Exsetup /AddUmLanguagePack:de-DE /s:d:\Downloads /u:d:\Patches Remarks: en-US unified messaging language pack cannot be added/removed. It will be installed and uninstalled with the Unified Messaging role. These operations are only valid when Unified Messaging role is already installed on the server.