Horses are unable to be tamed and horses that have already been tamed are unable to move while ridden.
MC-91491
Horses
Resolved
Duplicate
0
James K-C
(Unassigned)
Unconfirmed
Minecraft 15w43c
Retrieved
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-89924. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.