Hi .. I am about to install exchange 2013 environment I want to install exchange 2013 with 2 Network interface (one to the internet with public IP and another for internal with private IP), the DC is on another Server in the internal network . my question is , this solution will work or not ? exchange precipitant will be able to authenticate from inside and outside ? is there any challenges ?

Hello, Not sure about your requirements. You can first install Exchange with one network card. Then add the second one after the installation. Thanks, If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.comSimon Wu TechNet Community Support