Can you have multiple versions of Windows server(08 &12) in a RDS environment

[James Price]

This may seem as a trivial question but can you have multiple versions of Windows Server when you rollout RDS. My plan is to stick with a base rollout for the component servers(ex RD Gateway and Licensing server...) probably Windows server 2008R2 or 2012 R2, however for the Session Host am i able to have a farm of 2008 and 2012 servers? I ask this because some applications that we have run now in 2008 but have not been tested on a 2012 server. I am kind of under the gun with this since our licensing for Citrix is expiring and we are moving forward with RDS rather quickly. I would like to know your thoughts.
THanks