ProblemIf you try to remote control a Citrix XenDesktop 7 Server hosted desktop session, you receive Error code 120. Using Remote Assistance from the Citrix XenDesktop Director does work.
The user you are trying to remote control does not have a multi-monitor setup.
SolutionThis issue is resolved in RES Workspace Manager 2014 SR2.
In case the Service Release is not (yet) available or in case the Service Release cannot be installed, a revision containing this update is available on request at RES Support.
IMPORTANT: A revision contains multiple fixes. Only apply this revision when you are experiencing a specific problem. Unless you are severely impacted by this specific problem, RES Software recommends that you wait for the next service release containing these fixes.