Hi If these pad to pad errors are within the same footprint I would apply the Nodrc_sym_same_pin property. Edit> Properties Find filter set to symbols and you should see it in the Edit property window. It can be set at the footprint level also. Regards, Bill Zembek Technical Support - Allegro Specialist EMA Design Automation, Inc. 225 Tech Park Drive Rochester, New York 14623 Phone 585-334-6001 Opt 5 Fax 585-334-6693 www.ema-eda.com<http://www.ema-eda.com> http://support.ema-eda.com From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Carrow, Dennis Sent: Monday, July 09, 2012 2:48 PM To: 'icu-pcb-forum@xxxxxxxxxxxxx' Subject: [PCB_FORUM] Constraint area Good Day All, I'm using Allegro 16.5 and I'm trying to get rid of some pad to pad errors by creating a Constraint area. I've been trying to figure out Constraint manager but I'm having trouble. Could someone tell me the correct procedure to create a constraint area? Thanks for any and all help! -DC