Error Message while activating the Pool at OCS R2's Enterprise Edition

I got following error code while activating the Pool at OCS R2's Enterprise Edition

Failure [0xc3ec796c] Activating a Front End server with Monitoring Server or Archiving Server configured requires MSMQ service on the Front End server.

Solution:

I installed MSMQ at Enterprise Edition of OCS R2 and then run setup again.

More: www.mshowto.org