Use my batch script also you may be using the wrong exe file, the correct exe file is named "DameWareRS-v11.1.exe"
Create this script and run it with PSexec or SCCM
:: Property of XXXXX
:: Author: Henry Gonzalez, xxxxx Software Team
:: Email: Henry.Gonzalez@xxxxxxxxxxxxxxxxxx
:: Created on 30 December 2014
:: Purpose: Installs SolarWind Dameware Remote Support 22.214.171.124
:: Set program window title.
Title Dameware Remote Support 126.96.36.199, Administrative Installation by Henry Gonzalez
mode con: cols=80 lines=10
echo Please wait while Dameware is being installed...
%mydir%DameWareRS-v11.1.exe /args "/qn APPDIR=\"C:\Program Files (x86)\SolarWinds\DameWare Remote Support 11.1\" reboot=reallysuppress SILENT=yes INSTALLSTANDALONE=0 CENTRALSERVERHOSTNAME=<put your server name here>"
Dude the syntax in the online documentation is incorrect, today I was able to deploy to my techs MRC & DRS remotely with no issues. Sadly yesterday sucked because I was running into the same issues you had. Online manual (PDF page 27 is incorrect BAD SYNTAX).
FYI, this issue has been resolved.