Not all conflict can be avoided, therefore handle it privately and not in group discussion. Encourage students to as question and if technical issues arise re assure the. And help get them technical support.

Offering and advising feed back during sycranous discussions. providing feed back in a timely manner

Introduction and making your presence known is important. Listing a biography helps a student to get to know you and encourage the student to do the same so you can. Get to know them. 

List your virtual off hours as well

Many tools are available to navigate the coarse. And resources are available if help is needed