This process worked for me:

Verify account is member of Distributed COM Users

@ Component services, My Computer, DCOM Config, Microsoft SQL Server Integration services 11.0, Properties, Security, add account

Edit <Install path; mine is D>:\Program Files\Microsoft SQL Server\110\DTS\Binn\MsDtsSrvr.ini.xml, add new instance(s)

Regedit HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\110\SSIS\ServiceConfigFile

<Installpath: mine is D>:\Program Files\Microsoft SQL Server\110\DTS\Binn\ MsDtsSrvr.ini.xml

Grant account db_ssisadmin permissions in MSDB

Restart IS