NServiceBus.PerformanceMonitorUsersInstaller.StartProcess C# (CSharp) Method

        void StartProcess(string identity)
        {
            //net localgroup "Performance Monitor Users" "{user account}" /add
            var startInfo = new ProcessStartInfo
            {
                CreateNoWindow = true,
                UseShellExecute = false,
                RedirectStandardError = true,
                Arguments = string.Format("localgroup \"{1}\" \"{0}\" /add", identity, builtinPerformanceMonitoringUsersName),
                FileName = "net",
                WorkingDirectory = Path.GetTempPath()
            };
            using (var process = Process.Start(startInfo))
            {
                process.WaitForExit(5000);

                if (process.ExitCode == 0)
                {
                    logger.Info($"Added user '{identity}' to group '{builtinPerformanceMonitoringUsersName}'.");
                    return;
                }
                var error = process.StandardError.ReadToEnd();
                if (IsAlreadyAMemberError(error))
                {
                    logger.Info($"Skipped adding user '{identity}' to group '{builtinPerformanceMonitoringUsersName}' because the user is already in group.");
                    return;
                }
                if (IsGroupDoesNotExistError(error))
                {
                    logger.Info($"Skipped adding user '{identity}' to group '{builtinPerformanceMonitoringUsersName}' because the group does not exist.");
                    return;
                }
                var message = string.Format(
                    @"Failed to add user '{0}' to group '{2}'. 
Error: {1}
To help diagnose the problem try running the following command from an admin console:
net localgroup ""{2}"" ""{0}"" /add", identity, error, builtinPerformanceMonitoringUsersName);
                logger.Info(message);
            }
        }