Failed to start a parallel pool in MATLAB R2015a

>> parpool
Starting parallel pool (parpool) using the 'GenericProfile1' profile ...  
Warning: MATLAB has disabled some advanced graphics rendering features by switching to
software OpenGL. For more information, click here. 

Error using parpool (line 103)
Failed to start a parallel pool. (For information in addition to the causing error,
validate the profile 'GenericProfile1' in the Cluster Profile Manager.)

Caused by:
  Error using parallel.internal.pool.InteractiveClient>iThrowWithCause (line 667)
  Failed to initialize the interactive session.
      Error using
      parallel.internal.pool.InteractiveClient>iThrowIfBadParallelJobStatus (line
      768)
      The interactive communicating job failed with no message.

[Edric Ellis]

Getting the generic scheduler integration scripts working can be a little tricky, and there's nowhere near enough information here to give a clue as to what went wrong. I suggest contacting MathWorks support as they will be able to get the right information and help you get things set up.