ログを見る限り、エラー原因はリモート インストールをサポートしていないためでした。
こちらで確認したクライアントOSは以下の通り。
- Windows 10 Pro 64bit
- Windows 8.1 Pro 64bit
- Windows 8 Pro 64bit
- Windows 7 Professional 32bit
"C:\ProgramData\Microsoft\Windows Server\Logs\InstallAddin.log"
--------------------------------------------------------- [8732] 160807.201446.3965: Addins: Parsed command line args for InstallAddin.exe. Path=C:\Users\satorunasu\Downloads\OnlineBackupAddin.wssx,Silent=False,ClientInstall=False [8732] 160807.201446.5374: General: VerifyPackageResult=OkToInstall [8732] 160807.201446.5394: General: DoInstall=True [14520] 160807.201446.6460: Addins: Looking for EULA at: Eula-ja-JP.rtf [14520] 160807.201446.6465: Addins: Extracting EULA: Eula-ja-JP.rtf [8732] 160807.201446.8000: General: VerifyPackageResult=OkToInstall [8732] 160807.201446.8005: General: DoInstall=True [8732] 160807.201447.0073: InstallAddinWizard: Created wizard with addin of type: Microsoft.WindowsServerSolutions.Console.AddIns.AddinPackages.PackageAddin [8732] 160807.201458.9473: Addins: Preinstall: OBSInstaller.exe can not install remotely [8732] 160807.201458.9488: Exception: --------------------------------------- An exception of type 'Type: Microsoft.WindowsServerSolutions.AddinInfrastructure.AddInException, AddinInfrastructure, Version=10.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' has occurred. Timestamp: 08/07/2016 20:14:58 Message: InstallError Stack: No stack trace is available. [8732] 160807.201504.2190: Addins: Exiting with return code: -1