07-17-2013 07:08 AM
By BESX you mean BES 10 as stated in the subject of your post?
You do not need special documentation for BES 10 into a Domino environment, because the BES does not install as a Domino server task anymore. You install a BES standalone server and then configure an email Profile for ActiveSync (Traveler). Have a look into the compatibility matrix (google it). There it states that you need at least Traveler 8.5.3 UP2 with latest FP. Traveler 9 is recommended.
If I were not able to help you please describe your problem/question on more detail.