After activation of DIP0001 I get the following on my Ubuntu server running 0.12.2.1 when trying to set the fee to 0.00001:
Error: Invalid amount for -paytxfee=<amount>: '0.00001' (must be at least 0.00010000 DASH/kB)
Dashd does not start because of this setting.
Other wallets have no issue to...