purchased 4 x 5 RDS 2012 per user licenses packs for my fresh install of server 2008r2, have installed the remote desktop services role and the RD licensing server role. When attempting to add my RDS user CALs, I get error "The license code contains invalid characters or not enough characters." Not sure where to go from here. The license packs are retail from Newegg,
SKU-6vc-01756