short info for Orchestrator 2012/2012 R2. If you get the following error when trying to start a runbook and the runbook stops unexpected:
Unable to perform the requested task because the File : Microsoft.systemcenter.orchestrator.integration.toolkit.ip.net.dll could not be found.
This DLL is part of the Orchestrator Integration Toolkit, which has to be deployed on the runbook servers and runbook designer servers from where runbooks should be administrated.
WiX Toolset v3.5 http://wix.codeplex.com/releases/view/60102 has to be installed before the Orchestrator Integration Toolkit https://www.microsoft.com/en-us/download/details.aspx?id=39622
The DLL is saved on the runbook server under the following path:
C:\Program Files (x86)\Microsoft System Center 2012 R2\Orchestrator\Runbook Designer
For MS: C:\Program Files (x86)\Microsoft System Center 2012 R2\Orchestrator\Integration Toolkit\bin