hi
we are processing ax 2012 in place upgrade and there is issue came that installing Retail POS 2012 R2 will take long time and stores will be separated from the HQ for long time tell it is upgraded , i found the solution for such issue it was using POS 2012 Feature Back in store and AX 2012 R2 and configuring the distribution location as below image
if any one have the scenario of connecting HQ AX 2012 StoreConnect R2 with AX 2012 StoreConnect FB in the store please post it